This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Community owned and operated, this property is home to a diverse set of nudists.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

This nearly abandoned town was once a thriving mining community until a series of fires.

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.