One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

This rustic old building is said to be the most photographed barn in America.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

The first declared National Monument in the United States.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

No Gordon Lightfoot song, only a barebones monument to greed.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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 largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The remnants of a creative early method of wildfire prevention.

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

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

This vintage animatronics show is the Vegas version of a walk through the woods.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

A giant open-air sculpture made of over 200 full-sized boats.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

This former lieutenant governor's home is brimming with curiosities.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.