Dig for your own trilobites in this goldmine of invertebrates.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This memorial pays homage to Pueblo's four Medal of Honor recipients.

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

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

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

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

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

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

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

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

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

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

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

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

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

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

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

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.