This super steep hike ascends 2,000 feet in less than a mile.

Colorado's only true geyser is hidden within the San Juan National Forest.

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

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

Abandoned silver mine strewn with wrecked and twisted structures.

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

When ecosystems collide in the arid Southwest.

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A technicolor place of worship for Elevationists.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

Peak named for an old man who liked to run in the nude.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

360-degree virtual reality chamber physically immerses scientists into their data.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

A couple turned their front yard into an artistic masterpiece.

The remains of the first punk club in L.A.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The abandoned personal amusement park of the King of Pop.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.