Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

A tree bears footwear on the loneliest road in America.

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

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

On October 26, 1963, a 12-kiloton nuclear device was detonated here in granite some 1,211 feet below the ground surface.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

The most magnificent bottle house in a town strangely full of them.

A mining camp built around an unexpected occurrence of silver.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

An unprepossessing storage reservoir in southern Utah has a checkered past.

A surviving concrete arrow from an early-20th-century airmail-navigation network overlooks a reservoir.

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

A surprising collection of bronze faces beneath a bridge in Loveland.

This notorious dive has been serving up both kinds of spirits since 1879.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

Pieces of a stone giant are embedded in the earth of this Colorado park's playground.

For 14 years, this former stray dog greeted every train passenger that arrived in Fort Collins.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The worst road in Colorado is the main gateway to some of its highest peaks.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

After being lost for nearly a century, this historic bell finally returned home after its mysterious theft.

This stone marker honors the man who released Canada goose goslings in Fort Collins, Colorado.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Home to a protest movement, a bombing, and a dramatic change in labor history.