From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

Providing the soundtrack to the golden years of the Seattle grunge scene.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

This Seattle joint serves food inside an old train car once used by FDR.

A vinyl-lover's Shangri-La.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A house filled to the brim with oddities and curiosities.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

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

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A collection of over 15,000 zines works to preserve DIY publishing culture.

A downtown park built on top of unclaimed graves.

A technicolor place of worship for Elevationists.

The oldest inn in England served brew to the crusaders.

An enigmatic natural rock formation with a manmade passage cut through the center.

A former squatter's paradise outside Prague.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.