A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

This ancient Hawaiian henge may have been an early star chart.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

This space rock fragment is one of the only meteors to have ever struck a human.

The field of tiny caves that mark this Chinese cliffside are each their own historic Buddhist temple.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

This historic Jewish cemetery sits right in the heart of a Detroit car factory.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This high-design church is made up of two dizzying spirals meant to evoke the weaving together of marriage.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

One of the largest amphitheaters in Europe is a former Nazi gathering place that still stands today.

This simple roadside art installation ended up sparking a folk art movement and a controversy of international proportions.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

The "Versailles of the Jungle" built by a dictator is now a decaying shadow of its hubristic grandeur.

This "common-as-dirt" museum celebrates the glory of normalcy.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.