Modern Marvels
Under Athens' bustling metropolis, a unique engineering project.
2026-07-12 10:12:00 +0000 UTC→2026-07-12 11:05:40 +0000 UTC(53m)
Schedule for Modern Marvels
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Modern Marvels
From the earliest known lighthouses, such as the Pharos of Alexandria.
2026-07-19 12:53:09 +0000 UTC→2026-07-19 13:48:02 +0000 UTC(54m)
Modern Marvels
A look up at the symbol of the American Century--the skyscraper.
2026-07-19 11:59:13 +0000 UTC→2026-07-19 12:53:09 +0000 UTC(53m)
Modern Marvels
In hour three of our crash course on mega-skyscraper construction.
2026-07-19 11:05:50 +0000 UTC→2026-07-19 11:59:13 +0000 UTC(53m)
Modern Marvels
Don't look now--but there's a lot more to your walls than you'd ever imagine.
2026-07-19 10:15:05 +0000 UTC→2026-07-19 11:05:50 +0000 UTC(50m)
Modern Marvels
He needed to harness the flow of the world's longest river--the Nile.
2026-07-19 09:20:11 +0000 UTC→2026-07-19 10:15:05 +0000 UTC(54m)
Modern Marvels
All it takes to set off a booby trap is an unsuspecting victim.
2026-07-19 08:26:40 +0000 UTC→2026-07-19 09:20:11 +0000 UTC(53m)
Modern Marvels
A look at siege machines
2026-07-19 07:34:14 +0000 UTC→2026-07-19 08:26:40 +0000 UTC(52m)
Modern Marvels
For decades, the sound barrier loomed as an impenetrable wall.
2026-07-19 06:41:00 +0000 UTC→2026-07-19 07:34:14 +0000 UTC(53m)
Modern Marvels
This countdown special goes gaga over gizmos.
2026-07-19 00:55:21 +0000 UTC→2026-07-19 01:46:37 +0000 UTC(51m)
Modern Marvels
Cannons, from 13th-century forts to today's 40-ton Crusader, shape warfare.
2026-07-19 00:01:57 +0000 UTC→2026-07-19 00:55:21 +0000 UTC(53m)
Modern Marvels
Our ancient struggle against the sea has turned into a luxurious holiday.
2026-07-18 23:07:27 +0000 UTC→2026-07-19 00:01:57 +0000 UTC(54m)
Modern Marvels
Explore the world's largest machines, from car presses to the Keck Observatory.
2026-07-18 22:14:31 +0000 UTC→2026-07-18 23:07:27 +0000 UTC(52m)
Modern Marvels
Our steel industry was a powerful symbol of the nation's industrial might.
2026-07-18 21:19:42 +0000 UTC→2026-07-18 22:14:31 +0000 UTC(54m)
Modern Marvels
It's the only rock we eat, and we need it to live.
2026-07-18 20:27:44 +0000 UTC→2026-07-18 21:19:42 +0000 UTC(51m)
Modern Marvels
October 7, 2001: U.S. F-14 Tomcat jets significantly lead assaults on Afghanistan.
2026-07-18 19:34:39 +0000 UTC→2026-07-18 20:27:44 +0000 UTC(53m)
Modern Marvels
They are the life blood of the American Economy.
2026-07-18 18:41:11 +0000 UTC→2026-07-18 19:34:39 +0000 UTC(53m)
Modern Marvels
This countdown special goes gaga over gizmos.
2026-07-18 12:55:21 +0000 UTC→2026-07-18 13:46:37 +0000 UTC(51m)
Modern Marvels
Cannons, from 13th-century forts to today's 40-ton Crusader, shape warfare.
2026-07-18 12:01:56 +0000 UTC→2026-07-18 12:55:21 +0000 UTC(53m)
Modern Marvels
Our ancient struggle against the sea has turned into a luxurious holiday.
2026-07-18 11:07:26 +0000 UTC→2026-07-18 12:01:56 +0000 UTC(54m)
Modern Marvels
Explore the world's largest machines, from car presses to the Keck Observatory.
2026-07-18 10:14:31 +0000 UTC→2026-07-18 11:07:26 +0000 UTC(52m)
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