An artificial crater field that trained astronauts for lunar exploration.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

The mounds at this site were reconstructed with the help of archaeologists and historians.

A clear blue swimming hole with hidden caves, still unexplored.

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

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

The unusual patterns in this rock formation result from two distinct modes of weathering.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

A winding, cliffside stretch of road overlooking the Delaware River.

This massive subterranean fissure is known as the "underground Grand Canyon."

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Spend the night in this formerly abandoned traditional Scottish village.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

This unique rock formation has become a popular walking trail.

More than 1,000 stone figures were discovered in a small Nigerian town, where they had been sitting for centuries.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

This Central New York ghost town was once a prosperous railroad community.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

With a crest near 10,000 feet, this treeless fault-block mountain in eastern Oregon provides stunning views and spectacular glacial landforms.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.