Dropa Stones are an alleged discovery of 716 circular stones in the mountains of China that are 12,000 years old with hieroglyph markings.

In the 19th century Austin, Texas, the Servant Girl Annihilator butchered eight people and was one of the worst serial killers in the U.S.

In 2011, a 1948 background process plate was discovered. The clip is filmed in Bunker Hill, Los Angeles, CA – which shows the neighborhood as it once was.

Hypatia of Alexandria was the first known woman scientist and the last famous Neoplatonist philosopher of Alexandria, Egypt.

The history of Pompeii as a wealthy port town dates many years back to the 8th century BCE and takes us to its final burial under Vesuvius’ eruption of 79.

The Bamiyan Buddhas survived nearly 1,500 years in Afghanistan until the Taliban entered the region and blew up the treasured figures in 2001.

Over 100 hollow, knobby, metallic polyhedrons with 12 sides have surfaced at excavation sites mostly around central Europe, but no one knows what they are.

The Oracle of Delphi was an important Greek high-priestess and soothsayer who prophesied the future in the Temple of Apollo at the sanctuary of Delphi.