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

A house carved into a rock in the 1940s.

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

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

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

See massive fossils that are over 200 million years old in northeastern Arizona.

This spectacular track has run continuously since 1882.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The drama of nature in full effect in this Nevada State Park.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A breathtaking 19th-century trail overlooks Lake Tahoe.

The smallest country in the world.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Now a city park, this site started as a stage stop, then was a working ranch, and finally became a dude ranch that specialized in letting wannabe divorcees establish Nevada residency.

The world’s largest concentrated solar plant generates as many problems as megawatts.

This giant temperature attraction created some giant electric bills.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

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

A spiritual vortex among the red rocks in Sedona.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

A geological mystery on Camelback Mountain.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.