TV Guide National Geographic Channel Thursday

U.S. Customs and Border Protection intercepts looted ancient artifacts and stolen cars.

Soup sachets, airsoft gear and suspicious behavior raise red flags.

Drugs, cash, fake jobs and a slippery souvenir test border security.

A special force of DEA agents patrols the central Caribbean, looking for cocaine transporters who use 100-plus-mph boats that no one else can catch.

The DEA investigates a ring of American servicemen that is smuggling cocaine out of Colombia; a citizen is caught with cocaine pellets in his stomach.

The DEA's specialized team of submarine hunters goes to Cartagena, Colombia, to intercept a cocaine-carrying sub before it can get to open water.

Two DEA agents join a team that is working on a major cocaine bust in Bogota, Colombia's El Dorado airport as they risk their lives to take down the cartels.

Albert Lin examines Blick Mead and learns about the lost city that was built thousands of years before Stonehenge was constructed.

Albert embarks on a mission to solve an ancient mystery and find a lost city of the Maya, a Mesoamerican civilization known for its art, architecture and more.

Albert sets out on a mission around the world to find the origins of Great Flood stories.

Explorer Albert Lin uncovers miraculous feats of water engineering around the world.

Experts dissect three real world disasters, including NASA's failed 3rd moon-landing mission, a fire at the MGM Grand and the collapse of a bridge in Italy.

Experts dissect three real disasters, including a nuclear accident at a Japanese power plant, the collapse of a tower crane and a fire on board USS Forrestal.

Experts investigate 3 real world disasters, including an explosion on a drilling rig, the crash of a Concorde passenger jet and a fire in a tunnel in Austria.

Experts dissect 3 real world disasters, including a train disaster in Quebec, an explosion at a sugar refinery and a container ship that blocked the Suez Canal.

Experts dissect three real disasters, including the Surfside condominium collapse, the sinking of a nuclear-powered submarine and a fire at a subway station.

Dissecting three real world disasters, a nuclear missile, a ferry and an oil rig.

Three real disasters are dissected, including a partial nuclear meltdown of a nuclear plant, a fire inside a tunnel and the collapse of a department store.

Dissecting three real world disasters, in space, on a train and in a high-rise.

Inspect the wreck of the Mary Celestia, a Civil War ship raised by a hurricane; encounter imperial relics exposed by a drought in Iraq.

After the seas rise in England, a Bronze Age timber circle is unearthed; flood waters expose an ancient Ukrainian canoe.

Dissecting three real world disasters, in space, on a train and in a high-rise.

Inspect the wreck of the Mary Celestia, a Civil War ship raised by a hurricane; encounter imperial relics exposed by a drought in Iraq.

After the seas rise in England, a Bronze Age timber circle is unearthed; flood waters expose an ancient Ukrainian canoe.

Three real disasters are dissected, including a partial nuclear meltdown of a nuclear plant, a fire inside a tunnel and the collapse of a department store.

Experts dissect three real disasters, including the Surfside condominium collapse, the sinking of a nuclear-powered submarine and a fire at a subway station.

Experts dissect 3 real world disasters, including a train disaster in Quebec, an explosion at a sugar refinery and a container ship that blocked the Suez Canal.

Experts investigate 3 real world disasters, including an explosion on a drilling rig, the crash of a Concorde passenger jet and a fire in a tunnel in Austria.

U.S. Customs and Border Protection discovered a line methamphetamine hidden inside a gas tank and stopped a person carrying fentanyl inside of their body.