As early as the 1940s, Pauli Murray began to challenge segregation, sex discrimination, and gender norms. She later became a pioneering lawyer and an Episcopal priest.

Fossilized eggshells in New Guinea suggest early humans stole cassowary eggs just before they were going to hatch.

The long-hidden Tikal neighborhood is a near perfect miniature replica of the citadel at Teotihuacán, located in modern Mexico, which conquered the city in the fourth century.

These unforgettable pictures from history capture everything from the Holocaust to Woodstock to the Civil Rights heroics of Mister Rogers.

The accidental stabbing happened at the 7 Floors of Hell haunted house in Ohio where actors aren't supposed to use real knives.

The Well of Hell, also called the Well of Barhout, is likely millions of years old and drops 367 feet into the earth.

Raymond Jones vanished 53 years ago while hunting mountain goats along Hayden Creek.

If researchers' dating estimates are correct, these would be the oldest surviving three-dimensional animal reliefs of this size in the entire world.

Biologists suggest that humans lack tails because of a random genetic mutation that appeared 20 million years ago.

The 19th-century town of Rockport was abandoned after the construction of the Wanship Dam in 1952.