Modern Marvels
Opened in 1883, the Brooklyn Bridge is the engineering wonder of its time.
2025-12-17 12:09:02 +0000 UTC→2025-12-17 13:03:24 +0000 UTC(54m)
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Modern Marvels
The construction of the Panama Canal opened up trade and changed the world.
2025-12-17 11:15:35 +0000 UTC→2025-12-17 12:09:02 +0000 UTC(53m)
Modern Marvels
San Francisco's Oakland Bay Bridge features a unique double suspension.
2025-12-17 10:22:18 +0000 UTC→2025-12-17 11:15:35 +0000 UTC(53m)
Modern Marvels
The creation of a canal turns Massachusetts' Cape Cod into an island.
2025-12-17 09:29:02 +0000 UTC→2025-12-17 10:22:18 +0000 UTC(53m)
Modern Marvels
The history of one of the world's most famous bridges, London's Tower Bridge, erected in 1892.
2025-12-17 08:34:13 +0000 UTC→2025-12-17 09:29:02 +0000 UTC(54m)
Modern Marvels
Bridges reveal a lot about the history of New York city and how it changed destinies.
2025-12-17 07:39:41 +0000 UTC→2025-12-17 08:34:13 +0000 UTC(54m)
Modern Marvels
The Chesapeake Bay Bridge and Tunnel stretches 17 miles connecting Virginia's easternmost landmass.
2025-12-17 06:45:57 +0000 UTC→2025-12-17 07:39:41 +0000 UTC(53m)
Modern Marvels
American roads: from pre-World War II highways to the interstate system.
2025-12-17 05:52:45 +0000 UTC→2025-12-17 06:45:57 +0000 UTC(53m)
Modern Marvels
Construction problems of mega-skyscrapers; exterior wall system; energy-conserving glass.
2025-12-17 05:00:00 +0000 UTC→2025-12-17 05:52:45 +0000 UTC(52m)
Modern Marvels
Every 15 minutes, Americans insert more than 3.5 million coins into machines.
2025-12-17 04:33:33 +0000 UTC→2025-12-17 05:00:00 +0000 UTC(26m)
Modern Marvels
Edwards Air Force Base: America's premier flight test center for over 60 years testing all aircraft.
2025-12-17 03:40:05 +0000 UTC→2025-12-17 04:33:33 +0000 UTC(53m)
Modern Marvels
Go behind airport scenes where three million daily passengers board 10,000 aircraft in flight.
2025-12-17 02:45:32 +0000 UTC→2025-12-17 03:40:05 +0000 UTC(54m)
Modern Marvels
Pull serious G's in the U.S. military's latest fighter jet: the F-35 Joint Strike Fighter.
2025-12-17 01:53:57 +0000 UTC→2025-12-17 02:45:32 +0000 UTC(51m)
Modern Marvels
Engineers and astronauts overcome monumental obstacles to allow humans to live in space.
2025-12-17 01:00:56 +0000 UTC→2025-12-17 01:53:57 +0000 UTC(53m)
Modern Marvels
The shuttle opens space to an international community of scientists and explorers.
2025-12-17 00:07:18 +0000 UTC→2025-12-17 01:00:56 +0000 UTC(53m)
Modern Marvels
Scientists and engineers race against time to save the crew of crippled spacecraft Apollo 13.
2025-12-16 23:14:15 +0000 UTC→2025-12-17 00:07:18 +0000 UTC(53m)
Modern Marvels
In 1947, young test-pilot Chuck Yeager becomes the first to smash through the sound barrier.
2025-12-16 22:20:31 +0000 UTC→2025-12-16 23:14:15 +0000 UTC(53m)
Modern Marvels
The stargazers of mankind build observatories to unravel the secrets of the universe.
2025-12-16 21:25:07 +0000 UTC→2025-12-16 22:20:31 +0000 UTC(55m)
Modern Marvels
Some activities occur only when the world is dark; fishermen use lights to lure squid to their nets.
2025-12-16 20:32:50 +0000 UTC→2025-12-16 21:25:07 +0000 UTC(52m)
Modern Marvels
From devices designed to save the world to mind-expanding machines; the evolution of computers.
2025-12-16 19:37:40 +0000 UTC→2025-12-16 20:32:50 +0000 UTC(55m)