
Alaska Mega Machines
An airport made from water and ice; a fish factory churns out millions of pounds of seafood a day.

An airport made from water and ice; a fish factory churns out millions of pounds of seafood a day.

Alaska's Coast Guard fights waters to maintain buoys; rewards below Alaska's surface.

A man eaten alive by leaches; a rainbow at night; a man who pulls a car with his eye sockets.

Dropping giant knives from cranes; explosive-packed refrigerators; first skydive from a drone.

See-through animals, algae-powered motorcycles, and a human-sized chicken.

Using fire to charge cell phones; turning garbage into boats; world's fastest electric dragster.

Counting down the top 20 internet legends; lighting matches with bullets; kayaking in the snow.

Counting down crazy videos like a double sunset, tattoos that play sound, and a rope climbing moped.

People pull cars with their teeth; a person skiing behind a super car.

Turning the spotlight on independent inventors who create astonishing inventions in their backyards.

Epic railguns, incredible punching robots, and amazing bowling ball launchers.

Counting down the most epic fails with the internet's ultimate mistake makers.

The clifftop ruins of Tintagel Castle are believed to be the birthplace of King Arthur.

Experts use advanced forensic archaeology to reveal the secrets behind Persepolis.

A stone temple on a remote Egyptian island bears the names of leaders of the ancient world.

The city of Abydos contains some of the oldest Egyptian tombs and a temple linked to a death cult.

Investigators gain access to explore lost tombs to reveal the truth behind this legendary city.

The Valley of the Queens is a vast necropolis concealing some of Egypt's most powerful women.

The legendary metropolis of Xanadu is investigated using aerial imaging.

Archaeologists decode and analyze the secrets of Mount Nemrut in southeastern Turkey.