In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The walls and streets of the ancient city are peppered with penises.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The formidable fowl can be found standing near an isolated hiking path.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Elevated freight railway turned wildly successful urban park.

This former coal gasification plant found a curious second life as a popular public park.

According to the locals, the sands of this secluded Norway beach are infused with gemstone particles.

A giant doughnut was given to the small New Zealand town of Springfield to promote "The Simpsons Movie."

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

This amazingly preserved Gold Rush town is a historian's dream.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

See just what life was like in a 19th-century prospecting town.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

A lawless town deep in Death Valley was famous for its riches and death rate.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.