A huge musical instrument played by the ocean.

A trash dump made beautiful by nature's power.

A tunnel with windows, so you don't miss out on the impressive views.

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

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Come for the speed, leave in love with the desert.

A sculpture for the sun and stars, created by Nancy Holt.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A house carved into a rock in the 1940s.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

This erect, phallic geological spire wasn't always named so domestically.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

Millions of dollars worth of sculpture decorate this Iowa city center.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.