This huge clock made of flowers and simple machinery was once used a political weapon.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

The Man In Black grew up in a large agrarian community established by the federal government in the Great Depression.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

The only diamond mine in the world where you can keep what you find.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This unconventional used book store was once in the news for the surprising act of burning books.

A Mormon place of exile in Missouri.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

The man who was president for only one day and spent most of it asleep.

An adorably sweet display of sculpted Precious Moments figurines.

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

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

A big museum full of little worlds.

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

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

This is not your typical jungle gym.

Community bookshelf of 25-foot-tall book spines.

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

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

European castle ruins in an American state park are actually the product of death and grief.

This unassuming city park is home to three different types of Native American mounds.