Two stone columns flank the grand Venice square, but there were supposed to be three.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

An unusual resting place built into the hill with an amazing view of Lake Como.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

A house carved into a rock in the 1940s.

Oddly shaped rock formation, misassociated with a nearby utopian community.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

This balancing rock is one of Utah's most unusual geological formations.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

This church on a Tohono O'Odham reservation has stood since 1797.

Limestone caves with spectacular showcase chambers.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

Stairs often replace streets on the steep slopes of this old mining town.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

This gravity-defying rock formation is one of Big Bend’s natural wonders.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.