A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

Dozens of rockets and missiles are on display outside a testing facility in the Utah desert.

Home to the deepest rift anywhere on Earth.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

This Moab institution functions as both a rock store and a small natural history museum.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

This town is home to the world’s largest arch constructed entirely of elk antlers.

A devilishly named gorge that was a sign of salvation for many pioneers.

A miraculous natural phenomenon known as "the spring that breathes."

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

An exotic wildlife habitat right off The Strip.

Spectacular views await visitors to this lake.

A smoke stack so large, the Washington Monument could fit inside!

A collection of huge, site-specific sculptures sitting in the Montana woods.

The only road through the heart of Glacier National Park.

A creek tumbles over a series of step-like rocks to create this scenic water feature.

Home to a timed geyser created by complete accident.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

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