This eclectic collection documents the wild legacies of "America's Wickedest Street."

The 7,000-foot finish line of America’s first Olympic Trials marathon.

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.

Check out a hidden collection of vintage neon signs.

A monument at the site of the Towner School Bus Tragedy, which lead to changes in school bus safety.

A long and winding trail through history led to the current iteration of this mountaintop tower.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

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.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

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

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

The final resting spot of the Colorado Transportation Department's beloved unofficial mascot.

Take a dip in the world's largest mineral hot springs pool.

All that remains of this once-booming mining town are the ruins of a saloon.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

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

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

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.