A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

Nuclear reactor created the plutonium used on Nagasaki.

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

This historic Idaho island is home to a strange timeshare museum, a homemade mini-golf course, and an outhouse named Aunt Fanny.

A wild west land agreement was etched right onto this historic Idaho stone.

The former home of the "Mother of Father's Day."

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

This fairytale-like structure is the last turf church ever constructed in Iceland.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

Life-sized painted illusions let pedestrians blend in with the street art.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

A open air theatre built on a cliff by an eccentric British woman.

Perhaps the only prehistoric monument with its very own public bus stop.

A circle stone within a stone circle.

The Andean town where every single building is decorated with a brightly colored frieze.

This Indonesian village was revitalized by a vibrant rainbow paint job.

The family compound and final resting place for the philosopher, Confucius, and over 100,000 of his descendants.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

On a small Slovenian island, diners can mix and match a classic cake into dozens of sweet and savory flavor combinations.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

These particularly resplendent rodents are the state animal of Maharashtra.

A 30-acre garden inspired by the principles of modern physics.