A historic covered bridge, only one of two remaining in North Carolina.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

A lifetime's accumulation of bric-a-brac and kitsch.

Landmark dedicated to the plight of the American Indian in the 21st century.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

Medical history museum featuring a lovely doctor's office from the 1800s.

An eclectic assortment of medieval architecture in a small Iowa town.

A curious sculpture garden and museum in Cochrane, Wisconsin.

An old church full of restored Catholic statues is a makeup artist's labor of love.

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

Five acres of divinely inspired folk art.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

This log cabin gallery is one man's gnarly, hand-carved tribute to his favorite trees.

An elegant sandstone stairway built by the WPA still connects two neighborhoods in Akron.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

This large midwestern cavern features impressive rock formations and an underground waterfall.