Badlands National Park in South Dakota is a land of rugged beauty, home to a sea of grass, rocky spires and some of America's most iconic species.

Hawai'i Volcanoes National Park is a sacred land born of fire and sea, home to some of the most unique assemblage of species anywhere on the planet.

Follow the extraordinary life of a honeybee as her family races toward winter.

The hive rebuilds before winter, revealing the urgent challenges they all face.

Morgan Freeman sets out to learn how heaven and hell have changed the way people live; descending into the ancient Native American underworld; investigating exorcisms and the gift of tongue; a woman who believes she has seen heaven.

Morgan Freeman goes in search of the chosen people walking the earth today, including an American boy who is believed to be the reincarnation of a Buddhist lama who has been returning in different bodies for almost 500 years.

The team is in the Azores to tag the sixgill shark and learn more about its nightly patterns hunting for food in the abyss; the team tags and retrieves valuable data, uncovering why this shark undertakes its epic journey from the depths at night.

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Toronto Airport takes safety seriously, as challenges impact operations.

Spring arrives, and Toronto airport faces new weather challenges.

Toronto Airport is on high alert as intruders infiltrate restricted areas.

Winter slams Toronto International Airport as teams prep for a huge storm.

Frozen planes, an injured flight attendant and a drunk trespasser keep the team on their toes as the big freeze hits Toronto International Airport.

CBP pulls a line of meth from a gas tank and stops an internal body carrier with fentanyl.

HSI seizes counterfeit cash and vax cards; CBP pulls 205 kilos of meth out of one car.

HSI finds cocaine-filled tire rims in cargo and nabs a car loaded with meth and fentanyl.

HSI snags a truck loaded with meth.

HSI busts an illegal gun operation in NYC, while CBP confronts a meth surge from Mexico.

CBP screens for club drugs hidden in toiletries, while HSI uncovers meth buried in garlic.

Officers confront human smuggling at the border and nab a car loaded with fentanyl.

CBP intercepts 36 kilos of cocaine concealed in a car's floor and stops a puppy smuggler.

CBP hunts for drugs in a jungle and finds meth in a car bumper.

HSI nabs car loaded with a medley of narcotics; CBP seizes looted ancient artifacts.

U.S. Customs and Border Protection agents suspect a man of smuggling internally; HSI delivers ecstasy in hopes of an arrest.

HSI conducts a controlled delivery of MDMA; CBP questions a possible drug smuggler.

CBP finds drugs concealed in clever ways; HSI pursues traffickers in a daring sting.

CBP finds drugs hidden in cans, and HSI stops a date rape drug from hitting the streets.

CBP finds drugs hidden in cans, and HSI stops a date rape drug from hitting the streets.

CBP searches a suspicious suitcase; HSI intercepts drug-filled pistons.

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Archaeologists discover new evidence in Iraq that sheds light on the historical influences of the Bible's Tower of Babel story.

Archaeologists make groundbreaking discoveries about the world of Solomon.

New discoveries unlock the origins of the Bible's flood story.

Archaeologists discover evidence that sheds fresh light on historical influences from Egypt for the biblical tale of the Exodus.

Many persons revile King Herod as one of the evil characters in the Bible; later historians coin him Herod "the Great."

The Bible describes Nineveh as a wicked city of sin; finding if new discoveries in Iraq and Israel can shed light on the events behind this fearsome reputation.

Archaeologists investigate the truth behind Jesus' life and burial place.

Archaeologists decode the hidden secrets of the Dead Sea Scrolls.

An elderly U.S. man with cocaine; a fake passport and hopes of asylum.

Police seize a large cocaine shipment; a couple face separation.

Police discover cocaine in human feces; a family faces deportation.

Police struggle with a psychoactive plant khat bust; cocaine-wrapped legs.

Police face a case involving movie film, a pastry exhibit, and cocaine.

Cocaine and betrayal; ecstasy for Latin America; police detain officer.

A bass guitar made of cocaine. A man turns himself in. A fake passport.

The Bible describes Nineveh as a wicked city of sin; finding if new discoveries in Iraq and Israel can shed light on the events behind this fearsome reputation.

Many persons revile King Herod as one of the evil characters in the Bible; later historians coin him Herod "the Great."

Archaeologists discover evidence that sheds fresh light on historical influences from Egypt for the biblical tale of the Exodus.

New discoveries unlock the origins of the Bible's flood story.

Archaeologists make groundbreaking discoveries about the world of Solomon.

Archaeologists discover new evidence in Iraq that sheds light on the historical influences of the Bible's Tower of Babel story.

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The U.S. Government's secret Pentagon program on UFOs is exposed.

The U.S. Government's secret Pentagon program on UFOs is exposed.

Project Blue Book is launched to study the country's growing UFO problem.

Project Blue Book is launched to study the country's growing UFO problem.

U.S. nuclear missiles malfunction after a close encounter with UFOs.

U.S. nuclear missiles malfunction after a close encounter with UFOs.

More military and commercial pilots are reporting seeing UAPs in flight.

More military and commercial pilots are reporting seeing UAPs in flight.

Area 51, shrouded in secrecy for decades, is the focus of many UFO rumors.

Area 51, shrouded in secrecy for decades, is the focus of many UFO rumors.

Three real-world disasters forensically dissected: Fukushima nuclear plant, a Manhattan crane collapse, fire on the aircraft carrier USS Forrestal.

Uncovering the little-known story behind the race to put the first black man into space.

In this enhanced episode, the causes of three disasters are dissected; Lac-Mégantic train crash, Imperial Sugar refinery explosion and Ever Given container ship accident.

The causes of three disasters involving a high-rise, a submarine and a subway station are dissected.

An epic journey around Mars, built from data, as one has never seen it before.

In this enhanced episode, the causes of three disasters are dissected.

Live coverage of the Artemis II launch from NASA's Kennedy Space Center.

In this enhanced episode, the causes of three disasters are dissected, a nuclear plant, a tunnel and a department store.

For the privileged few who have looked down at the Earth from space, the planet's thin blue line sets it apart from any other.

Enhanced; three real-world disasters dissected: nuclear missile, ferry and oil rig.

Astronauts reveal Earth's interwoven systems, amplified by Peggy Whitson's space mission.

Enhanced; three real-world disasters dissected: in space, a train and a high-rise.

Fails include a broken Baltimore bridge, a Manhattan crane fire and a "poonami" in China.

Earthquake-proof buildings fall down; a battery factory blows up; and a bridge collapses.

Three real-world disasters forensically dissected -- Deepwater Horizon explosion, the Concorde crash and the funicular fire at Kaprun.

Fails include a broken Baltimore bridge, a Manhattan crane fire and a "poonami" in China.

Earthquake-proof buildings fall down; a battery factory blows up; and a bridge collapses.

The U.S. Government's secret Pentagon program on UFOs is exposed.

Project Blue Book is launched to study the country's growing UFO problem.

U.S. nuclear missiles malfunction after a close encounter with UFOs.

More military and commercial pilots are reporting seeing UAPs in flight.

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Alaskans must improvise to build what they need to survive.

Hazen Audel battles to survive in the arid expanse of the Chalbi desert.

Hazen Audel descends sheer slopes into the Great Rift Valley in search of elephants.

Hazen Audel battles Lake Baringo's wild waters on an epic wildlife mission.

Hazen Audel hits Hell's Gate Gorge in search of rare black rhinos while local foragers provide him with hints on how to locate the endangered species.

Hazen Audel is on a mission to reach a legendary coastal bat colony.

Hazen Audel battles through the Serengeti to find the Great Migration of wildebeest.

The villagers of Port Protection are back to paving with good intentions.

Curly shoots a bear; Troy and Sarah struggle with a new water system.

Residents tackle tasks at the height of summer's season of productivity.

All around Port Protection, neighbors lend each other helping hands.

Port Protection's canine community takes center stage.

In this enhanced episode, Curly is on the hunt for deer in a fruitful area.

Port Protection residents must harvest from land and sea for survival.

Alaskans face danger every day.

In this enhanced episode, Curly is on the hunt for deer in a fruitful area.

Racing to a rescue, rookie Terje runs into trouble when he crashes Thord's tow-truck; Thord risks it all to rescue a garbage truck.

Hazen Audel battles Lake Baringo's wild waters on an epic wildlife mission.

Hazen Audel hits Hell's Gate Gorge in search of rare black rhinos while local foragers provide him with hints on how to locate the endangered species.

Hazen Audel is on a mission to reach a legendary coastal bat colony.

Hazen Audel battles through the Serengeti to find the Great Migration of wildebeest.

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A meth smuggler; a man fishes for trouble; a woman with flashy diamonds.

A regatta full of risks; a dog sniffs out undeclared cash; written in meth.

Bottles of trouble; endangered butterflies; a toy piano made of meth.

A tour guide seems on edge; turtle stowaways; a mysterious powder.

A pair of Russian students arrive in New Zealand to visit a friend they barely know; all hands are on deck when a slippery stowaway lands; a card skimmer is caught.

A former smuggler protests screening; batteries with crystal powder inside.

A man with 18 credit cards; tape dispensers hide meth; a risky cereal box.

Making a hash of it; a bucket list find; a Russian with eccentric antics.

A marijuana farmer; a frightening new narcotic; a Brazilian magician.

A rare culinary delicacy poses a biosecurity risk; a passenger gives customs a piece of her mind; a weed enthusiast's plans go up in smoke.

A questionable photo portfolio; a sex offender; solar panels hide meth.

False passports and identities; unique souvenirs; withdrawals and desperation.

A soap opera story; a foiled drug smuggling attempt; an expensive gamble.

A suspicious barista; customs pulls out a plum; vacation vs. immigration.

CBP finds blind mules carrying fentanyl and HSI tails a loaded truck to a meth compound.

While inspecting commercial cargo from Mexico, Laredo CBP discovers liquid meth concealed within paint buckets; in Atlanta, HSI conducts a controlled delivery of an air conditioner filled with meth.

CBP New York discovers priceless shipments of looted ancient artifacts; CBP Newark intercepts stolen luxury cars headed for the overseas black market.

CBP finds multiple doses of lethal fentanyl hidden within passenger cars; CBP Newark searches for an illegal stowaway onboard a cargo ship.

CBP Nogales busts a man internally smuggling fentanyl from Mexico; HSI delves into the dark web to stop a deadly party drug linked to overdoses.

HSI finds coke in a Colombian sailboat; a CBP rookie K9 finds drugs going overseas.

A CIA director faces fallout when an enhanced interrogation program is exposed.

CBP finds a smuggler of "crazy pills" at JFK and responds to the COVID-19 crisis on the southern border, seizing over 800 lbs of meth.

HSI finds coke in a Colombian sailboat; a CBP rookie K9 finds drugs going overseas.

A CIA director faces fallout when an enhanced interrogation program is exposed.

A runway emergency, missing cargo, faulty brakes and wildlife on the runway; at Toronto International Airport, the fight to keep flights moving never stops.

Winter slams Toronto International Airport as teams prep for a huge storm.

Winter storms batter the U.S. and ground flights at Toronto Airport.

Spring break brings new pressures for the airport and its staff.

Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

Join Mike Mezack for a special presentation of the 1776-2026 Enduring Liberty Half Dollars-one-year-only U.S. Mint issues honoring America's 250th Anniversary, including rare rolls and certified MS67 collectibles.

B. Johnson shares the Nuwave Forever Air Purifier with NeverReplace Filters; get the smart Wi-Fi-enabled air purifier that helps achieve zero airborne pollutants without any additional replacement filters.

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Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Enslaved warrior Spartacus rises as a gladiator to lead a revolt against Rome.

Spiculus, Nero's champion gladiator, rises to fame amid Roman combat games.

Marcus Attilius, citizen-turned-gladiator, fights for survival in Pompeii.

Beast hunter Carpophorus rises in Rome's Colosseum, but at a brutal cost.

Rome watches in horror as Commodus, mad with power, becomes a gladiator.

Gladiator Flamma rises from Syrian soldier to arena legend in Sicily.

Experts are the first to venture inside the heart of an unexplored pyramid.

Archaeologists search for the truth behind the Curse of Tutankhamun.

Archaeologists investigate Egypt's ancient power struggle with the Nubians.

Archaeologists investigate ancient tomb raids and audacious pyramid heists.

Archaeologists discover a lost temple built by Egypt's greatest pharaoh.

Archaeologists search for a legendary fragrance from Queen Cleopatra's era.

Archaeologists hunt for the truth about Exodus and the Ark of the Covenant.

Teams of archaeologists investigate the legendary battle of David and Goliath.

Scientist Albert Lin investigates whether the story of the destruction of Sodom and Gomorrah was inspired by real events; using technology, Albert seeks out answers to this biblical mystery amid ancient cities to reveal destructive forces of nature.

Archaeologists hunt for the truth about Exodus and the Ark of the Covenant.

Teams of archaeologists investigate the legendary battle of David and Goliath.

Archaeologists search for a legendary fragrance from Queen Cleopatra's era.

Archaeologists discover a lost temple built by Egypt's greatest pharaoh.

Archaeologists investigate ancient tomb raids and audacious pyramid heists.

Archaeologists investigate Egypt's ancient power struggle with the Nubians.

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A look at the migration patterns of millions of animals on this planet that have been passed down for generations.

A U.S. president explains the challenges of making decisions that affect hundreds of millions of lives; an African woman has created a society without men; exploring how the rise of the Internet may fundamentally change how democracy works.

Morgan Freeman travels the world in search of greater insight into the concept of freedom.

At a time when the whole world seems to be polarizing into irreconcilable camps, Freeman sets out on a journey in search of the forces that push us apart, from intolerance of differences to fear of outsiders, and the possibilities of coming together.

Morgan Freeman travels the world to study the cycles of war and peace.

A US flagship wreck reveals the British burning of the White House in 1814.

A bomb, murder, and a foiled multi-million insurance scam on the high seas.

Draining Alaskas extreme north reveals the graveyard of a tragic fleet.

Lost wrecks reveal how the Mob gained power and wealth in 1920s America.

Explore the wonders, threats and hope for our vast, interconnected ocean.

Live coverage of the Artemis II launch from NASA's Kennedy Space Center.

A look at Channel Islands' unique landscapes and wildlife, revealing an older version of California.

Explore the wonders, threats and hope for our vast, interconnected ocean.

Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.

Bertie is in the Azores to film a spectacular predator feeding frenzy.

Archaeologists uncover the truth behind the legend of a treasure ship.

From Patagonia to Canada, paleontologists uncover the Real Jurassic Americas.

Lost wrecks reveal how the Mob gained power and wealth in 1920s America.

Draining Alaskas extreme north reveals the graveyard of a tragic fleet.

Climber Will Gadd wants to be the first to climb the Overhead Hazard route at Helmcken Falls, even if it means risking his own life.

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Trouble with mice, high winds, and possible explosives at Toronto Airport.

Spring break brings new pressures for the airport and its staff.

Winter storms batter the U.S. and ground flights at Toronto Airport.

Emergency at Toronto International Airport as a flight crash lands.

A runway emergency, missing cargo, faulty brakes and wildlife on the runway; at Toronto International Airport, the fight to keep flights moving never stops.

CBP discovers abandoned fentanyl in Texas; HSI tracks an ecstasy package in Chicago.

CBP finds coke on cargo ships in Miami; HSI pursues a drug-loaded SUV in Texas.

AMO Puerto Rico finds cocaine on a ferry; CBP stops travelers with opioids.

HSI busts a notorious dark web trafficker in France, while CPB finds fentanyl in Arizona.

AMO Puerto Rico sinks a marine smuggling op; HSI San Diego seals up a drug tunnel.

HSI busts a ketamine smuggler, while CBP uncovers ancient gold looted from Afghanistan.

HSI Miami catches a load of cocaine-filled fish; CBP San Diego fights human smuggling.

When hippies developed a steady hash trade, Ibiza's reputation as a haven for drugs soon reached organized crime groups, who quickly seized the market on the Mediterranean island.

HSI attempts a controlled delivery of meth in New York City, while CBP seizes party drugs in Florida.

CBP finds 142 kilos of coke worth over $7 million in a shipment of avocados in Florida.

When hippies developed a steady hash trade, Ibiza's reputation as a haven for drugs soon reached organized crime groups, who quickly seized the market on the Mediterranean island.

CBP Nogales busts a man internally smuggling fentanyl from Mexico; HSI delves into the dark web to stop a deadly party drug linked to overdoses.

CBP finds multiple doses of lethal fentanyl hidden within passenger cars; CBP Newark searches for an illegal stowaway onboard a cargo ship.

CBP New York discovers priceless shipments of looted ancient artifacts; CBP Newark intercepts stolen luxury cars headed for the overseas black market.

While inspecting commercial cargo from Mexico, Laredo CBP discovers liquid meth concealed within paint buckets; in Atlanta, HSI conducts a controlled delivery of an air conditioner filled with meth.

CBP finds blind mules carrying fentanyl and HSI tails a loaded truck to a meth compound.

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Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

See how a drug-free patch is helping people find relief-without medication.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

The clear and present danger of meth, crack and heroin on the streets of San Francisco; enhanced.

Prescription pills have become the narcotics of choice for today's generation.

Inmates find ways to get illicit drugs inside jailhouse walls.

An exploration into ecstasy's underworld.

Wall Street drug dealers attempt to be the first to close a sale; enhanced episode.

In this enhanced episode, every other drug used in Thailand is overtaken by a candy-colored pill.

In this enhanced episode, an inside look at the auto theft epidemic plaguing America.

The business of crack cocaine takes its toll worldwide.

At Italy's busiest airport, police seize cocaine concealed inside the material of a shirt.

Italian police must remain impartial to a man's charm because he may be a smuggler.

At Italy's busiest airport, police seize cocaine hidden in the fabric of pajamas and tucked away in a stuffed animal.

Italian police uncover fake passports, concealed heroin and a suspicious suitcase.

Hidden compartment cocaine; possible explosives; cocaine-soaked clothes; a visa scheme.

At Rome's Fiumicino Airport, Border Police stop a father and son traveling with fake passports.

At Italy's busiest airport, police seize bundles of drug money, stop a woman with a package strapped to her body, and detain a man who is hiding his past.

The business of crack cocaine takes its toll worldwide.

In this enhanced episode, an inside look at the auto theft epidemic plaguing America.

In this enhanced episode, every other drug used in Thailand is overtaken by a candy-colored pill.

Wall Street drug dealers attempt to be the first to close a sale; enhanced episode.

An exploration into ecstasy's underworld.

Inmates find ways to get illicit drugs inside jailhouse walls.

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See how one company is changing people's lives by helping them put their tax problems to rest.

Whistleblower testimony reignites a decades-long fight for transparency.

Commercial pilots come forward about their encounters with UFOs.

Scientists unveil cutting-edge technology helping in the search for UFOs.

People talk about close encounters they've had with UFO phenomena.

Reports from people who say they've been abducted are explored; a Harvard psychiatrist who takes them seriously comes under attack.

No longer waiting for the government to share data, citizen scientists and private groups amplify the search for answers.

Nepal is hit by a 6.7 mega-earthquake that kills thousands; across the country, survivors are hit by terrifying avalanches that destroy everything in their path; presenting stories of survival, from the Kathmandu Valley to Mount Everest.

The story of the largest wildfire in Portugal's history and how it devastated a rural community; as firefighters tried to control the blaze, fierce winds combined with the fire to make it unstoppable; fleeing locals are caught in the inferno.

Montecito is hit by a natural disaster that leaves its residents fighting for their lives; overnight, the Californian beach town is swamped by a series of 30-feet high, boulder-filled debris flows that destroy homes and leave streets swimming in mud.

On Oct. 1, 2015, the cargo ship El Faro is on a regular run to Puerto Rico when it disappears in a Category 4 storm called Hurricane Joaquin; it is determined that the El Faro sank off the coast of the Bahamas with 33 crew members.

A mine collapses in Chile, trapping 33 miners almost half a mile underground.