A theme park attraction designed to turn your children into LARPers.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Commonly acknowledged as the only public monument to the Devil himself.

The center of the only hemisphere that awards visitors with a commemorative coin.

A "miracle" that seems to produce more holy fistfights than holy revelations.

A fitting attraction for the corn capital of the world.

The largest island on the great salt lake is home to curious creatures and strange stories.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

An ancient Egyptian temple in the middle of Madrid, Spain.

Less a museum than a bizarre fantasy world created by artists and engineers.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Macabre astrological automaton clock dating to the late 1400s.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Send a postcard while vacationing with Satan.

The World's Largest Bull.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.