Adam Janos

It's clear the California rangers beheaded someone in 1853. What isn't clear is whether it was the infamous bandit known as 'Joaquín.'

It started in the 1940s, near A-bomb development sites. More recently, something has been stalking nuclear carrier strike groups.

Behind the rumors of America's most infamous UFO incident.

The cockpit voice recorder captured the sound of passengers attempting to break through the door.

Lori Ann Piestewa was the first woman to die on the front lines in Iraq and the first American Indian woman to die serving the U.S. Armed Forces.

Chavez and Itliong organized a boycott of grapes in the U.S. as a way to signal support for workers' rights.

Former Manson Family member Dianne Lake recalls dumpster diving, orgies and singalongs. 'We were there to serve Charlie.'

An earthquake, a tsunami...and then a devastating power plant failure.

Their paranoia led the agency to launch Operation CHAOS—in direct violation of its charter.

They've eaten practically every mammal in sight—and have no natural predators.

Some blame Mikhail Gorbachev for the collapse of the Soviet Union. But the economy and political structure were already in deep decay.

Reports persist of UFOs, crop circles, cattle mutilation—and shapeshifting creatures impervious to bullets.

They were cigar-shaped, glowed red and could turn on a dime. Which ruled out even the most sophisticated rockets of the time.

Substance abuse in the Vietnam War wasn’t just limited to the marijuana and heroin enlistees could buy on the black market. Military commanders also heavily prescribed pills to help improve soldiers' performance.

Unexplained livestock mutilations have been reported for centuries. Explanations range from common predators to UFOs.