Viking temple to Odin and Thor unearthed, purported Abraham Lincoln deathbed photo found, hidden drawing under Mona Lisa uncovered.

A Dionysus mask dating back 2,400 years uncovered, remains of a Stone Age man and his dog discovered, "graveyard" of mummified penguins found.

Human footprints dating back 120,000 years uncovered, early Christian texts about demons and wizards translated, secret Knights Templar crypt found.

Vikings' true genetic makeup uncovered, first-known human anatomy chart found, overlooked Black World War II hero slated to get his due.

Stack of ancient Egyptian coffins unearthed, Tulsa race massacre survivor calls for reparations, Rembrandt painting deemed a fake now believed to be real.

Bronze Age British keepsakes made of human bone unearthed, violent secrets of ancient Egyptians' animal sacrifices revealed, centuries-old mass burial ground in Japan uncovered.

Turkish Viking settlement unearthed, history's first known signature discovered, 12-foot prehistoric reptile found in the stomach of an even bigger predator.

Tudor mansion's hidden trove of artifacts uncovered, new findings at Hitler's secret headquarters revealed, woolly rhino remains found inside mummified Ice Age puppy.

Mystery human ancestor discovered, Ireland's most haunted mansion goes on sale, 1,300-year-old shipwreck uncovered.

Priceless Chinese vase languishing in a cupboard finally uncovered, 2,500-year-old Mexican ruins found, well-preserved woolly mammoth remains unearthed.

Prehistoric sea life resurrected, child's inscription from Auschwitz uncovered, sunken German U-Boat caught on film.