The vast, legendary catacombs hold secrets much stranger than stacked bones.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

A wonderfully curated used bookstore in an airport.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A unique botanical garden housed in three giant geodesic domes.

No one knows the origin of this small town’s unique name.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

This solitary gravestone is separated from the rest in Appleton, explaining why local legends continue to surround it.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

A mysteriously dark cemetery monument fuels stories and legends galore.

Former hotel turned into haunted playground.

The fungus-shaped vintage gas station has served multiple purposes over its lifetime, and now serves ice cream.

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

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.