This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

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

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The building stands within a quiet, postcard-perfect New Mexico village.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

A monument dedicated to a local softball team full of clowns.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

Legends surround this jagged rock formation in the New Mexico desert.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The oldest continuously occupied public building in the United States.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.