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

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The first declared National Monument in the United States.

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

A house carved into a rock in the 1940s.

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

A tribute to the statues of Easter Island along Route 66.

The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

Don't blink or you'll miss it.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Orr Park's dead trees have been carved into a menagerie of whimsical visages.

The seventh largest spring in the world.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.