Arguably Belgrade's only example of pure Art Deco architecture.

A misnamed well, with a deep dark past.

This remote island in Iowa was abandoned after being devastated by flood.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

A bypass decorated with large wooden troll carvings.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Known as "The Hill of the Little Devils."

The drama of nature in full effect in this Nevada State Park.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The longest living non-clonal organisms on Earth.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

This ancient village provides insight into the complexity of the pre-Columbian Fremont Culture.

The fifth-longest natural arch in the world, and the longest outside China.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A picturesque (all-natural!) beach in a landlocked state.

When ecosystems collide in the arid Southwest.

This shrine is an ode to the region's rich Hispanic heritage.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.