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

The site of a minor battle might have been forgotten if not for one participant’s famous family and the death of a respected warrior.

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

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

The start of the group that straightened the teeth of a nation.

The temporary burial site of the man who shot and killed Jesse James.

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

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

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

This small piece of railroad history sits behind the parking lot of a chain grocery store.

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

One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

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

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

The home of a formerly enslaved man who went on to become a prospector, entrepreneur, and activist for Black rights.

This marker identifies the location where three states converge.

A museum dedicated to the mysterious cryptid.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

Hidden high on a remote mountain peak is a humbling and mysterious Vietnam War memorial.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

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

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.