History
Who Built the Pyramids of Giza?
The Giza pyramids were built for kings Khufu, Khafre and Menkaure. A workers' town and tombs point to organized, well-fed Egyptian crews rather than slaves.
History
The people, places and events that shaped the world, from ancient walls to modern turning points, told with timelines, maps and primary sources.
History
How Long Is the Great Wall of China?
The Great Wall of China is 21,196.18 km long, according to China's official survey of walls from all periods. The Ming dynasty wall alone is 8,851.8 km.
History
Why Did the Titanic Sink?
The Titanic sank on April 15, 1912, after hitting an iceberg at about 22 knots. Learn why the damage was fatal, why so many died and what changed at sea.