The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A historic, century-old house plopped along the perimeter of Houston's ballpark.

Shakespeare has been brought to life in this open air theater for the better part of a century.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Commonly referred to as the most photographed Victorian home in the United States.

The southernmost outpost of the Russian Empire in colonial America.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

Art Deco stylings conceal the true nature of this bridge.

I Street Bridge is the heaviest swinging center bridge in the United States.

The California capital city once stood 10 feet lower than it does today.

A working miniature city designed to teach kids about safety and presumably city planning.

The tallest bridge in California was constructed for a project that was eventually cancelled.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

The fifth-longest natural arch in the world, and the longest outside China.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A spiritual vortex among the red rocks in Sedona.

A Wild West jailhouse that slid down the mountainside.

Inside this store, a mysterious statue draws visitors from the world over.