
Modern Marvels
An underground subway system transforms the bustling metropolis of Athens, Greece.

An underground subway system transforms the bustling metropolis of Athens, Greece.

The world's first underground railway holds London together.

Begun during the Civil War, the transcontinental railroad links a tattered nation.

Gas--it makes a balloon go up, cooks our food, and fills our lungs.

Digging up salt mining's history, from the the table to the oceanic deposits it came.

The technology behind the Winter Olympics, including the bobsled run, ski jump and speedskating.

How the Aswan High Dam socially, politically, culturally, and agriculturally affected Egypt.

See how offshore oil drilling superstructures revolutionized the search for crude oil.

The U.S. Navy's diving and salvage programs; the USS Salvor's underwater remote-operated robots.

It's been said that the sea is a more hostile environment than space.

The episode explores the fight against ferocious weather and floods.

The pump has been synonymous with transporting Earth's most precious resource.

Blowing the lid off the many uses of pressure, including keeping a fridge cool.

Whiskey is popular, has a colorful history, and is one of the world's oldest drinks.

The Alaskan oil pipeline's technological triumph over mountains, tundra and subzero temperatures.

Rivers and aqueducts quench millions' thirst; without them, large cities would become ghost towns.

When completed, China's Three Gorges Dam will tower high and weigh more than forty Great Pyramids.

The Isthmus of Suez is the gateway to trade between East and West.

The Grand Coulee Dam has turned desert into agriculturally viable land.

The Hoover Dam is one of the seven engineering wonders of the modern world.