This restaurant serves wood-fired fare served in a natural cave with a live spring.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

An extravagant western hotel where every floor is the "ground floor."

This zombie-themed restaurant stands out in the heart of corn country.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

An urban forest overtakes what was the greatest failure of utopic urban housing.

A floating museum that was sunk by a flood and left to rot in the tides.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

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

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

Curious cave that stays a cool 56 degrees all year long.

Why settle for barbecue chips when you can get actual barbecue?

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

A remarkably opulent mansion with a tragic history.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

An abandoned concrete jungle surrounded by a lush park.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.

This abandoned prison castle has become an imposing gallery of graffiti art.

Step back in time at this 1950s display home, built to showcase once cutting-edge electric amenities.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.