On November 3, 1998, Josh Phillips murdered Maddie Clifton and shoved her corpse under his bed, sleeping on top of her body for a week before police discovered her.

A 27-year-old medical student at Ohio State, Brian Shaffer vanished in the early morning hours of April 1, 2006 after he was captured by CCTV cameras entering the Ugly Tuna Saloona.

Kelly Cochran is now behind bars for killing and dismembering both her lover and her husband — but friends say she’s a serial killer who's left even more bodies in her wake.

After Alexander the Great died in Babylon in 323 B.C.E., he was buried in Memphis before being moved to Alexandria — but the exact location of his tomb remains mysterious.

After suddenly disappearing from the spotlight in 1957, Bettie Page’s later life was shrouded in mystery — but then she resurfaced years later in a series of violent incidents.

Dalia Dippolito married Michael Dippolito in February 2009. Just six months later, she was caught trying to arrange his murder with an undercover police officer.

In the deadliest terror attack in history, nearly 3,000 people lost their lives in New York and Washington, D.C. on September 11, 2001. These 9/11 pictures capture the tragedy.

Situated on a mountain in the Black Hills of South Dakota, the nearly 600 feet high Crazy Horse Memorial has been under construction since 1948.

On June 20, 2001, Andrea Yates drowned her five children in their suburban Texas home. Five years later, she was found not guilty by reason of insanity.

After Lori Farmer, Michelle Guse, and Doris Milner were murdered at Camp Scott in 1977, the case remained unsolved for decades. Has DNA evidence just identified Gene Leroy Hart as the killer?

On February 22, 1970, an Australian teen named Keith Sapsford snuck onto the tarmac at Sydney Airport and hid inside a Tokyo-bound plane — then disaster struck.

An experienced test pilot and cosmonaut, Vladimir Mikhaylovich Komarov died in April 1967 when a parachute failure caused Soyuz 1 to crash into the ground, leaving only his charred remains behind.