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In Afghanistan, over 20,000 pieces of ancient gold jewelry and artifacts were discovered in 1979. Mysterious "keyholders" pledged their lives to hide the treasure from plunderers. Did they succeed?
At the Pyramid of the Moon in central Mexico, humans and animals were buried alive. Excavations reveal the remains of sacrifices once witnessed by thousands of spectators.
Learn about the saga of the Maya civilization in three parts: The rise, the monumental splendor, and the collapse.