Where animatronic singing fish go to retire.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

This century-old roadside attraction is full of bizarre rock formations.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

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

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

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

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

This historic cliffside mansion uses a natural cave for air conditioning.

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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

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

Curious cave that stays a cool 56 degrees all year long.

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

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

The world's largest man-made underground caverns offer unparalleled underwater wonders.

This defunct, fortress-like prison has been the setting for several movies.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

This former maximum-security prison is creepy, sobering, and supposedly haunted.