National Geographic HD

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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Plexaderm helps reduce Under Eye Bags, Dark Circles, and Wrinkles in just 10 minutes!

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.

Ibiza's hippie roots gave way to a booming, chaotic underworld.

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.

Ibiza's hippie roots gave way to a booming, chaotic underworld.

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.

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

Meet the new Shark PowerDetect Upright Vacuum with features like DuoClean Detect Technology, self-cleaning brush roll and odor neutralizing and you will be cleaning faster, smarter and better!

Save thousands on car repairs.

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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.

In April 2011, 360 tornadoes ravage the southern United States in four days, killing 348 people.

Fails include an overpass fire, a downed radio telescope and a sinking airport.

Fails include a disastrous shuttle mission, and an unwanted and very expensive airport.

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

Fails include an overpass fire, a downed radio telescope and a sinking airport.