Places ciffergan Wants to Go

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

The clock that sets them all.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

This museum offers an actual time machine back through Colorado's past.

Community owned and operated, this property is home to a diverse set of nudists.

A downtown park built on top of unclaimed graves.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

See six states from the newly restored 100-year-old historic roadside attraction.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

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

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

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

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

When ecosystems collide in the arid Southwest.

The highest bridge in America was built for an almost unnervingly small amount of money.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.