More than a century old, this trading post resides in the Navajo Nation.

A spiritual vortex among the red rocks in Sedona.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

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

A mysterious spirit totem at the edge of Navajo lands.

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

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

This lonely gas station has stood at this location since 1917.

This blowhole is supposedly caused by a trapped monster.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

This giant temperature attraction created some giant electric bills.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

Experience a charming 1930's version of "infotainment."

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

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

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Temporary Burning Man sculpture made of two 18-wheelers.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.