A hill carving of the legendary dragon that terrorized the village of Bures in the Middle Ages.

The intended purpose of this unfinished Elizabethan building remains a mystery.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

A mysterious crater-like pond has a spooky tendency to empty and fill with complete disregard to rainfall patterns.

The remains of a chapel created for convenience.

An abandoned cyanide mill is now a haunting magnet for graffiti and illegal parties.

New York City's smallest piece of private property.

An underwater road considered a possible Atlantis location.

Water of undetermined depth has attracted rare fish and cult leaders alike.

Healing Springs that once ran red with soldiers' blood.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A small flooded ghost town with a few scattered structures remaining.

Odd outsider art installations surround a Gold Rush-era ghost town.

Ruins of a Carnegie family mansion on Cumberland Island.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

A forgotten sea village stands silent after hurricanes deemed it obsolete.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

The wild west is still alive and well at this authentic mining town watering hole.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

This small collection of rare books was uniquely locked up for safe keeping.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.