Inside this casino, visitors are treated to slot machines and a rare German Christmas pyramid.

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

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

The former home of the "Manassa Mauler" is now a museum dedicated to his legendary boxing career.

Curios, scientific antiques, oddities for sale.

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.

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

The first railway tunnel to cross the Continental Divide and, at 11,523 feet, was once the highest railroad tunnel in the world.

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

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

A riverside tiny house with books and other treasures galore.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A renovated hotel is bringing new life to a nearly-abandoned mining town in Colorado.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

This enigmatic building features numerous architectural styles.

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

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

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

Antique automobiles, phonographs, organs, and farm equipment.

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

This marker identifies the location where three states converge.

A home covered with elaborate mosaic and other pieces of art.