The rocks in this arid basin leave trails of movement behind them.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The legendary building that needed ghostly approval before being built.

A psychedelic labyrinth on the San Francisco bay.

World's largest collection of serial killer artwork and other macabre exhibits.

A huge musical instrument played by the ocean.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

A mysterious spirit totem at the edge of Navajo lands.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

What is the Thing?

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

One of the largest, oldest, darkest, quietest motel rooms in the world.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A self-built castle made by a mysterious man.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Connecticut sites linked to the only trial to ever use demonic possession as a criminal defense.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The graves of a Connecticut family thought to have been plagued by a vampire.