A giant chess set, minus the psychedelic drug trip.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.

A popular tourist cave with a dark past.

This expansive bridge in the Canadian wilderness was originally just built for friends.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

One part local history, 99 parts gruesome haunted house.

Home to items never before seen by the public.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The site of the climactic scene from the classic horror film is now a historic landmark.

America's most famous piece of self-built architecture.

Shop selling 500 flavors of soda has something for everyone.

A hotel and restaurant serving as the mecca of kitsch.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A huge musical instrument played by the ocean.

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