Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

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

A river runs through this remote valley in a very unexpected way.

The giant stump of the once towering cottonwood where Ute people held tribal meetings.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

Unlike most arches, this geological oddity formed in a volcanic dike.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

Central City celebrates its most famous madam by racing beds down Main Street.

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

A collection of over 15,000 zines works to preserve DIY publishing culture.

This spectacular track has run continuously since 1882.

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

“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.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.