The site of murders and Satanic cult gatherings.

Oldest building in California still in use.

A world-class observatory in the California desert.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

A Wild West jailhouse that slid down the mountainside.

A spiritual vortex among the red rocks in Sedona.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

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

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

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

Named after an outlaw who used the basin as a hideout.

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

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

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.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

This enigmatic building features numerous architectural styles.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

You thought Santa Claus didn't exist, but it turns out you were wrong.