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1:44
The official record states the boy crowned King Edward in 1487 was actually an imposter.

1:34
Gustave Eiffel had a lengthy résumé before he built his namesake tower.

1:58
A collector talks his love of dinosaurs and shows off the displays in his home.

2:23
The original buyer and seller of “Big John” discuss their feelings about the sale.

4:12
The parachute is one of many inventions attributed to Leonardo but he did not invent it.

3:01
The “Vitruvian Man,” which Leonardo drew in about 1490, seems to summarize all of his work

2:54
Vincent began to paint obsessively at the Yellow House.

2:08
An archaeological team recreates the ascent that Khmer kings would have made up the holy mountain.

2:11
Archaeologists dig through layers of earth in search of evidence of pre-Angkorian habitation.

1:30
Archaeologists find a small cymbal dating back to the 7th century.

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.