A Teotihuacan altar found in a dwelling in the ancient Maya city of Tikal highlights the interaction between these two cultures — and the grisly rituals they both practiced.

Named for French inventor Louis-Jacques-Mandé Daguerre, the daguerreotype was the world's first successful form of photography — and it captured historic images of everyone from Abraham Lincoln to Emily Dickinson to real-life samurai.

From age 16 to 21, Frank Abagnale Jr. impersonated a pilot, posed as a lawyer, and cashed 17,000 fake checks — at least according to Catch Me If You Can.

Otto Frank was the only member of his family to survive the Holocaust and later made the difficult decision to publish his daughter Anne Frank's diaries.

For 40 years, scientists have wondered why the white dwarf at the center of the Helix Nebula was emitting such strong X-ray flares. New observations suggest those signals could be the remains of a shattered, Jupiter-sized planet.

On February 9, 1978, Kimberly Leach was in class at her Lake City, Florida school when her homeroom teacher called and asked her to come get a purse she'd left behind — and as she walked to another building on campus to retrieve it, she was abducted by Ted Bundy.

Ziv Nitzan found an ancient Canaanite scarab amulet at Tel Azekah, the site where the Bible says David defeated Goliath.

André the Giant's grew so large due to a hormonal disorder called acromegaly, but the condition that helped make him so famous also led to his death in 1993.

From malt shops and jukeboxes to the early civil rights movement and the atomic age, take a trip back in time with these colorized photos from the 1950s.

Shadow people are dark entities that have reportedly been spotted in dim rooms and abandoned buildings around the world, but there are several scientific explanations for their existence.