Modern Marvels
Gutzon Borglum carves the faces of four U.S. presidents into the Black Hills of South Dakota.
2026-07-05 00:02:31 +0000 UTC→2026-07-05 00:54:21 +0000 UTC(51m)
Schedule for Modern Marvels
PreviousNext
Showing1to20of794results
Modern Marvels
Salt is a versatile substance with 14,000 known uses; visiting a salt mine under Lake Erie.
2026-07-05 04:52:27 +0000 UTC→2026-07-05 05:44:39 +0000 UTC(52m)
Modern Marvels
Geological history from the Stone Age to the Space Age; the moon.
2026-07-05 04:00:00 +0000 UTC→2026-07-05 04:52:27 +0000 UTC(52m)
Modern Marvels
It's the 12th longest suspension bridge on the planet.
2026-07-05 03:34:09 +0000 UTC→2026-07-05 04:00:00 +0000 UTC(25m)
Modern Marvels
The Alaskan oil pipeline's technological triumph over mountains, tundra and subzero temperatures.
2026-07-05 02:39:46 +0000 UTC→2026-07-05 03:34:09 +0000 UTC(54m)
Modern Marvels
The Erie Canal is responsible for making New York City a commercial capital.
2026-07-05 01:47:02 +0000 UTC→2026-07-05 02:39:46 +0000 UTC(52m)
Modern Marvels
The Hoover Dam is one of the seven engineering wonders of the modern world.
2026-07-05 00:54:21 +0000 UTC→2026-07-05 01:47:02 +0000 UTC(52m)
Modern Marvels
Gutzon Borglum carves the faces of four U.S. presidents into the Black Hills of South Dakota.
2026-07-05 00:02:31 +0000 UTC→2026-07-05 00:54:21 +0000 UTC(51m)
Modern Marvels
Adam Richman explores how a legendary long-hauler meticulously custom-builds each truck at Daimler.
2026-07-04 23:10:34 +0000 UTC→2026-07-05 00:02:31 +0000 UTC(51m)
Modern Marvels
Battlefield engineering may be warfare's most important yet least recognized aspect of combat.
2026-07-04 22:15:08 +0000 UTC→2026-07-04 23:10:34 +0000 UTC(55m)
Modern Marvels
B-2 Stealth Bomber delivers 40,000-pound payloads undetected with 6,000-mile range capability.
2026-07-04 21:21:46 +0000 UTC→2026-07-04 22:15:08 +0000 UTC(53m)
Modern Marvels
Los Alamos scientists and engineers build the ultimate weapon of war in the interest of peace.
2026-07-04 20:27:55 +0000 UTC→2026-07-04 21:21:46 +0000 UTC(53m)
Modern Marvels
The CV-22 Osprey; the Boeing CH-47 Chinook helicopter; LMSRs.
2026-07-04 19:35:04 +0000 UTC→2026-07-04 20:27:55 +0000 UTC(52m)
Modern Marvels
Presidential planes, trains and automobiles become high-tech cocoons.
2026-07-04 18:41:40 +0000 UTC→2026-07-04 19:35:04 +0000 UTC(53m)
Modern Marvels
The Pentagon, completed in 1943, is the world's largest office building and military nerve center.
2026-07-04 17:47:58 +0000 UTC→2026-07-04 18:41:40 +0000 UTC(53m)
Modern Marvels
History of the U.S. Mint and the Bureau of Printing and Engraving.
2026-07-04 16:54:49 +0000 UTC→2026-07-04 17:47:58 +0000 UTC(53m)
Modern Marvels
For over a century, the U.S. steel industry is a powerful symbol of the nation's industrial might.
2026-07-04 16:00:00 +0000 UTC→2026-07-04 16:54:49 +0000 UTC(54m)
Modern Marvels
It's the 12th longest suspension bridge on the planet.
2026-07-04 15:34:09 +0000 UTC→2026-07-04 16:00:00 +0000 UTC(25m)
Modern Marvels
The Alaskan oil pipeline's technological triumph over mountains, tundra and subzero temperatures.
2026-07-04 14:39:45 +0000 UTC→2026-07-04 15:34:09 +0000 UTC(54m)
Modern Marvels
The Erie Canal is responsible for making New York City a commercial capital.
2026-07-04 13:47:01 +0000 UTC→2026-07-04 14:39:45 +0000 UTC(52m)
Modern Marvels
The Hoover Dam is one of the seven engineering wonders of the modern world.
2026-07-04 12:54:20 +0000 UTC→2026-07-04 13:47:01 +0000 UTC(52m)
PreviousNext
Showing1to20of794results