This 19th-century church is now a popular roller rink.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Ever wanted to can Spam?

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

A small chapel celebrating the spiritual bond between dogs and humans.

Direct, creative challenge to Mother Nature's winter wrath.

Prove you deserve to be fed by Kenny Shopsin.

This lab's maddening silence is good for business but bad for sanity.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

This freshwater spring fills with 10,000 gallons of water per minute.

World's largest collection devoted to one fruit.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

A replica that won't float away.

Turnip-shaped island just off the Michigan shore in Lake Huron.

These curious caverns have been home to mushrooms, gangsters, and disco.

A museum within a museum, devoted to history's most questionable medical devices.

These eerie outliers of the lightning bug family glow a mysterious blue color.

Treehouse motel and treehouse-building school.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

One man's ambition created this psychedelic log home.

No one's quite sure where this quirky university tradition originated.

The only arched bridge made of stone on the entire Mississippi River.