A memorial dedicated to the victims of the Columbine High School shootings.

Even in death, he's still your huckleberry.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

The cliff and rock formations are made out of Sioux Quartzite.

Despite monuments in other locations, this spot in a South Dakota field is recognized by the U.S. National Geodetic Survey as the center of the 50 states.

This towering wooden Sasquatch was carved with a chainsaw.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

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

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

This super steep hike ascends 2,000 feet in less than a mile.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

When ecosystems collide in the arid Southwest.

A picturesque (all-natural!) beach in a landlocked state.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

A historic blockhouse and trading post give a glimpse into the early colonial history of South Carolina.

Settled in 1696, abandoned after the Revolutionary War.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.