This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

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

This spectacular track has run continuously since 1882.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

This Wyoming town is fascinated by a particular mythical creature.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

This is one really big nut.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

The highest bridge in America was built for an almost unnervingly small amount of money.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

A multiversal transit station located right below a highway interchange.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.