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2:13
A newly discovered letter reveals Cpt. Lehmann knew of the Hindenburg's damaged gas bag.
2:52
On his diplomatic mission to Europe, samurai Hasekura Tsunenaga converts to Christianity.
3:01
Fr. Zerafa and Maltese law enforcement work together to recover a Caravaggio painting.
2:07
Discover a mysterious find that could reveal how people lived at Great Zimbabwe.
3:17
Chinese pottery fragments reveal Great Zimbabwe’s far-reaching global trade network.
2:32
Racist colonial reports denied that Africans built Great Zimbabwe.
1:39
After excavating its remains, scientists see what the Iznik basilica may have looked like.
1:28
Scientists explore the underwater ruins of a 4th-century basilica.
1:34
Gustave Eiffel had a lengthy résumé before he built his namesake tower.
2:23
The original buyer and seller of “Big John” discuss their feelings about the sale.
1:58
A collector talks his love of dinosaurs and shows off the displays in his home.
1:26
Eiffel’s use of iron to build his tower represented a radical architectural shift.
