Archaeologists crawl for hours through tight underground passageways of Balamku to reach artifacts untouched for 1,000 years.
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Mohenjo Daro, built at the time of the pyramids and centuries before the Roman Baths, was the largest city of the Indus Civilization. Learn facts about this ancient city, including engineering feats like the Great Bath.
Stunning drone footage captures Chasm 1, a huge crack on the Brunt Ice Shelf. When it inevitably intersects with the nearby Halloween Crack, an iceberg the size of Houston, Texas will break off into the ocean.