Island ghost town detailing Flagler's folly in building the Overseas Railroad.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

Bat house that has only ever housed bat for one night; they all flew away and never came back.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

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

An unusual geological feature towers over the remains of a dark episode in United States history.

A beautiful geyser under environmental threat.

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

An architect's childhood fantasy treehouse made real.

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

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

At the time of its completion, it was the tallest dam in the world.

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

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

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

America's most famous piece of self-built architecture.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

This enormous World War II relic is one of the largest wooden structures in the world.

The oldest home in Huntington Beach, the farmhouse is a monument to the region's pioneer past.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

A replica of the first public theater built in California.