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HISTORY VAULT

More than 100 pyramids built as tombs for pharaohs still stand in Egypt, but many things about the ancient monuments remain obscure.

Modern Marvels

Egyptian Pyramids

The minds of the off-kilter geniuses who thought up off-the-mark concepts; some tinkerers' musings were merely ahead of their time and deemed flops during the inventor's lifetime, but others were just plain bad.

Failed Inventions

A jet truck that can travel 300 mph; the Baltimore Technical Assistance Response Unit's mobile command truck; a garbage truck with an articulated arm; how SWAT, bomb squad, HAZMAT, and crime scene specialty trucks are built.

Extreme Trucks

Celebrate the ingenuity and imagination found in the world around us. 24/7 episodes of Modern Marvels, television's most innovative series.

Shipyards are waterside construction sites where some of the largest tools ever built help create the biggest machines on earth; from ancient days to the 18th-century Industrial Revolution to the epic effort performed at Pearl Harbor.

Shipyards

Two ribbons of concrete span the largest inland body of water in Louisiana, forming the world's longest automobile bridge.

Lake Pontchartrain Causeway

The engineering marvel Machu Picchu sits perched on a ridge in the Peruvian Andes; originally built by the Incas, this magnificent structure remains a mystery.

Machu Picchu

The Overseas Highway links mainland Florida with the Florida Keys, and contains 51 bridges, including the Seven-Mile Bridge; a 175-million refurbishment that ended in 1982 resulted in today's remarkable Overseas Highway.

Overseas Highway

The history of the Columbia, the first space shuttle to fly outer space, ranging from its inception to its deadly destruction in January 2003.

Space Shuttle Columbia

The journey begins before the Bronze Age and goes into the shiny future when new metal structures, engineered at a molecular level to be stronger, lighter, and cheaper, shape human progress, as they have since man first thrust copper into a fire.

Metal

Targeting the historical trajectory of bullets, ranging from their origins in the 1300s as stones and lead balls to the "safe" and "smart" bullets of today.

Bullets

The United States Transportation Command, answering to the Department of Defense, runs military transport like an efficient private shipping and travel agency; from the Civil War to US Transcom, track the development of military logistics.

Military Movers

The development of jet technology and rocket fuel during World War II culminates in test pilot Chuck Yeager breaking the sound barrier on Oct. 10, 1947.

Breaking the Sound Barrier

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Stories of those who believed in dreams and defied the commonplace with their extraordinary creations; covering some of the world's architectural and engineering structures, scientific inventions, and social wonders.

S9 E44 | Egyptian Pyramids