The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This giant green head remembers one of America's jazz giants.

Community bookshelf of 25-foot-tall book spines.

This otherworldly church spire reaches up toward the heavens.

A controversial memorial at the place where Captain Cook met his violent end.

A Hawaiian stairway to heaven—that you can't climb.

This historic national park is covered in the stunning ruins of red rock pueblos.

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

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

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

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A half-acre utopia in the New Mexico desert features a graveyard, a game of horseshoes, a library, and a mailbox.

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

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The cinder cone volcano with a less than complimentary name.

An urban laboratory.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

The 606 is a decade in the making.