A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

Bronze statue marks the spinach capital of the world.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

The Ozarks' strangest dwelling.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

A mountaintop space observatory that is certified dark.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

A peculiar forest that was handcrafted for government experiments.

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

An acoustic anomaly with a mysterious cause.

It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

Nature's biggest mammal swims in landlocked Oklahoma.

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

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

This museum features the original car used on the Beverly Hillbillies sitcom.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

A mysterious light of unknown origin on the backroads of Missouri.

When you can afford only half a road, you build only half a road.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.