This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

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

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A reproduction of earth's many biomes.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

Ancient human, animal, and geometric figures drawn in the earth.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Legends surround this jagged rock formation in the New Mexico desert.

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

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Two creeks flow out of either end of this canyon in opposite directions.

A hotel with a rich Wild West history of miners and bootleggers.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

The first "Hut" was actually a small brick building.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.