The Staffordshire Hoard is the largest collection of Anglo-Saxon gold ever found. No one knows why every piece was removed from its weapon before burial.
In 1992, farmers draining a pond in rural China found one of thelargest known man-made underground spaces in the ancient world.No one recorded it being built.
Why nearly identical ancient carvings in Utah, Japan, and Azerbaijan still puzzle researchers.
How a buried object in Germany revealed one of the oldest known views of the cosmos.
A melting Alpine glacier revealed a 5,000-year-old traveler and the final hours of his life.
