Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

What remains of the summer palace of King Kamehameha III.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

First established in 1696, this settlement was abandoned after the Revolutionary War.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.