This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

The final resting place for the famed creator and narrator of "The Twilight Zone."

For decades, it has disappeared and reappeared as water levels rise and fall.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

This tiny patch of arid sand sits in one of the greenest states in the United States.

A strange mark in the stone fence of a cemetery fabled to have been made by the Devil himself.

The closest thing to Mars on Earth.

A lake in the middle of the tundra of Quebec is said to be the purest freshwater lake on Earth.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

A retro walk through the history of the tube.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

The remains of what was once the world's steepest passenger funicular.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

A museum dedicated to exhibiting remarkable outsider art.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

Eighteen miniature death-scene dioramas.