A bizarre roadside attraction and the first instance of miniature golf in the world.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This century-old roadside attraction is full of bizarre rock formations.

This 1,500-acre development hopes to be the Central Park of the South.

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

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

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

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

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.

The highest point in Montana is as rugged and singular as the state itself.

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

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

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

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

One man's ambition created this psychedelic log home.

Native Americans built this circle of stones, which was used to predict astronomical events.

The first declared National Monument in the United States.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

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