To honor his gardening wife, this yard artist turns bowling balls into playful, colorful sculptures.

This statue is an ode to an iconic roadside advertisement popularized during the 1970s.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

This giant green head remembers one of America's jazz giants.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

An abandoned concrete jungle surrounded by a lush park.

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

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

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

Home to Hollywood history and a very special salt crystal.

Like Stonehenge, but with boats and oodles more charm.

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

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

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.

The quirky collection includes treasures like Elvis' underwear, Bob Barker's toothbrush, and hundreds of sock monkeys.

This museum holds not just a world class collection of firefighting artifacts and gear but even the region's first fire station itself.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

A college in rural Kansas founded to prepare the country for an impending World War III.

Where the author wrote her beloved "Little House" books.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.