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

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 magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

This natural sandstone bridge hasn't been seen since the 1960s when Lake Powell covered it—until now.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

A spiritual vortex among the red rocks in Sedona.

This historic pink parlor keeps Phoenicians cool with homemade, retro ice creams.

This remote desert watering hole has a connection to a curious chapter of American history.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

This balancing rock is one of Utah's most unusual geological formations.

The location where the iconic movie character declared it was time to go home.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

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

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

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.