A remarkably opulent mansion with a tragic history.

A big museum full of little worlds.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

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

This mosaic-covered bar is brimming with curated curios.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

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

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

European castle ruins in an American state park are actually the product of death and grief.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

A classic carnival ride that was carved to be untouchable.

A sprawling museum located on the former site of the Orphan Girl Mine.

After Havre burned down, the best place to build was under the ashes.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

A collection of 16,000 antlers crammed beautifully into a small shed.

See the computer’s history revealed over the course of 20,000 years.

An entire town preserved as a historic landmark.

A classic mystery spot complete with spots that are said to make you shrink or grow when you stand on them.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.