The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A naturally mummified 2,000-year-old man.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

Locals call this magical moss-covered walkway the "Emerald Path."

An ideal wedding spot that is almost too ideal.

This public space is speckled with the eerie remnants of a defunct amusement park.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Pennsylvanian mass grave and possibly mass murder.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

Arlington Cemetery exhibit dedicated to death and grieving.

Priceless space junk on display in front of a local Dairy Queen.

No one knows who painted this mysterious mural in a Penn State basement.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

A glittering Thai Buddhist temple in suburban Pennsylvania.