Dive on the wreck of the U-166, a German sub resting on the seafloor beneath the Gulf of Mexico.

Wreck diver Chip Lambert searches for one of the last major lost ships of World War II.

Dive on the south Pacific site where wrecks of World War I and II warships literally touch!

Follow the ill-fated final voyage of the USS Murphy, sunk on a secret mission in 1943.

Explorers find a cache of Mayan artifacts hidden deep within a Mexican cave.

Dive on the wreck of a tanker that caused an environmental crisis half a century after it sank.

On December 26, 1996, an unlicensed ferry smuggling illegal immigrants disappears off Sicily's coast. Our detectives return to the scene of the crime to investigate: Was it an accident or murder?

John Chatterton and Melanie Paul join marine archaeologists to decide whether negligence, bad luck, or foul play sent the North Carolina to the ocean floor in 1879.

The wrecks of a German submarine and an English steamship were discovered over 30 miles from where they were thought to have sunk in World War I. Host John Chatterton dives deep to piece together what really happened.

Declassified Soviet documents shed new light on the sinking of a World War I warship.

Dive into the remains of a ship recently found off Florida whose past is as illustrious as her demise was mysterious.