A wartime promise becomes a shrine to Our Lady of Lourdes.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

The park that the Chicago Stockyards built.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This mysterious hill seems to pull objects uphill.

Oldest unrestored plantation house in America that is open to the public.

Paths are maintained, but trees have taken over plots.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

One of the oldest living oak trees in the Southeast.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The world's longest known cave system.

One of the few surviving "Wigwam"-themed motels.

Prehistoric animals decorate this popular outdoor park.

Giant granite rocks standing end-to-end like a train of circus elephants.

A bizarre house filled with an astounding array of collections.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

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

Less a museum than a bizarre fantasy world created by artists and engineers.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

A medical facility that has been kept frozen in time.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.