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

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

A memorial dedicated to the victims of the Columbine High School shootings.

The site of a minor battle might have been forgotten if not for one participant’s famous family and the death of a respected warrior.

This fully restored synagogue explores the American Jewish experience along the old frontier.

Inside this shop, visitors are treated to a unique blend of natural history and art.

This historic stone barn is the former home of legendary cattleman Charles “Lonesome Dove” Goodnight.

The temporary burial site of the man who shot and killed Jesse James.

A museum dedicated to the mysterious cryptid.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

This marker identifies the location where three states converge.

A tribute to Loveland’s most famous sweethearts, who helped spread cupid’s message to millions.

A remote sandstone plateau named for a legendary cattle rustler.

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

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

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

The home of a formerly enslaved man who went on to become a prospector, entrepreneur, and activist for Black rights.

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

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

"All Mountains - All The Time."

The giant stump of the once towering cottonwood where Ute people held tribal meetings.

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

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