The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Two creeks flow out of either end of this canyon in opposite directions.

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

This spectacular track has run continuously since 1882.

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

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

An ADA-accessible trail and deck offering stunning views of Colorado’s Mount of the Holy Cross.

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

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

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

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

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

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

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.

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

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

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

A hotel with a rich Wild West history of miners and bootleggers.

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

This marker identifies the location where three states converge.

One of few remaining antique carousels with stationary animals in the U.S.

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