During the 19th-century, this park was a vital trading fort.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

Where animatronic singing fish go to retire.

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

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

A former department store turned into a quirky restaurant.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This sanguine boulevard was named after a deadly cowboy bar fight.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Who said a biker bar is no place for a taxidermy squirrel collection?

A subterranean haunt where wine and homemade biscottis are always on the menu.

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

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

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

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol.