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.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

This massive home was constructed by one of the greatest conservationists in Colorado history.

This marker identifies the location where three states converge.

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

This nearly abandoned town was once a thriving mining community until a series of fires.

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

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

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

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

A museum dedicated to the mysterious cryptid.

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

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

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

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

A prehistoric rock shelter that's literally in someone's backyard.

The remains of an early 1900s dude ranch that operated until the 1970s.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

A coal fire has been burning underground here since 1896.

The world's largest sticker ball weighs in at a mighty 231 pounds.

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

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.