The huge collection of paintings of the American West is one of Denver's best-kept secrets.

Why have you never heard of the second most popular tourist site in New York?

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

On the second floor of a small town library is an homage to angling and memorial to a great local fisherman.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

The largest known open fault in the United States is basically a giant natural refrigerator.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

Hike deep into the woods to explore this Gilded Age masterpiece.

A mysterious air force base built to resemble a Long Island fishing village.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

When ecosystems collide in the arid Southwest.

This old-fashioned carhop restaurant gave the world the waffle cone.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

Abandoned silver mine strewn with wrecked and twisted structures.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

Odd outsider art installations surround a Gold Rush-era ghost town.

The skeletal white beams stand as a monument to religious dissent.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.