Mile-long cave system near Great Smoky Mountains.

A Rodeo for Prisoners.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

An adorably sweet display of sculpted Precious Moments figurines.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A tiny waterway named after a ghost story.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

This one-woman cemetery was a small civil rights victory.

Once the gateway to the utopian dream-village of a Civil War embalmer.

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

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

A 131-year-old wunderkammer of Texas history.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

A tiny racehorse graveyard in the middle of a quiet Kansas City suburb.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.