A replica of the self-taught naturalist's iconic cabin stands inside a library near his hometown.

This marker identifies the location where three states converge.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

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

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

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

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

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

It's easy to forget what century it is as you wander this rustic homestead.

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

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

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

This hot dog-shaped diner has moved all around Colorado, never been to New York.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

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

Travel through the wholesome amusements of yesteryear at this charming miniature village.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Colorado's only true geyser is hidden within the San Juan National Forest.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The largest self-built castle in the U.S., six decades in the making.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This lonely gas station has stood at this location since 1917.