Massive stone spheres from the pre-Columbian era unearthed in Costa Rica, mysteries of the Venus of Willendorf statue unlocked, burials uncovered in Siberia's "Valley of the Kings."

Mysteries behind painted skeletons at "the oldest city in the world" unlocked, evidence of giant prehistoric camels discovered, rare Revolutionary War medal brought to auction.

Ancient curse tablet unearthed in Israel, history of the Bering Land Bridge rewritten, coin marking Julius Caesar's assassination goes to auction.

Indigenous bow from the 16th century found in Alaska, ancient reindeer hunting tools unearthed in Norway, Anne Boleyn's heraldic falcon discovered in England.

Stone with fifth-century engravings uncovered in Scotland, Roman shipwreck found in stunning condition, descendants of enslaved man say George Washington was his father.

True purpose of Stonehenge discovered, 9,000-year-old Jordanian shrine unearthed, skull of history's first ear surgery patient found.

Medieval ice skates made of horse bones found in Russia, Ice Age animal remains unearthed in England, ancient Roman mosaic uncovered in London.

Remnants of ancient psychedelic beer found in Peru, love note sewn with human hair put on display in London, prehistoric crocodile found with a dinosaur in its stomach.

Headless Roman skeletons found in England, 1980s serial killer identified in Oregon, ancient monument accidentally desecrated in Scotland.

Ancient Greek warriors' helmets unearthed in Italy, spines threaded around poles found in Peru, headless medieval horse uncovered in Germany.

Pre-Columbian coyote-man statue recovered by Mexico after long dispute, ninja weapon prototypes found in Japan, youngest known Roman amphitheater found in Switzerland.