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

Dramatic river bend surrounds a natural red-rocked pedestal.

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

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

Towering basalt columns, a creation of fire and ice.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

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

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The largest outdoor art gallery in the Northwest United States.

Jail from the 19th century that was built by inmates.

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

This mother-daughter run curiosities shop is a beautifully odd mix of taxidermy and exotic plants.

An eccentric millionaire's personal curio collection includes at least one shrunken head.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

This beloved roadside attraction welcomes visitors with his signature neon smile.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.

This former New Jersey bus now exists as a public art exhibit.

The arch that celebrated the completion of the Lincoln and Victory highways.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.