A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

This Pringle-shaped ledge makes for the perfect photo op.

This private residence was the template for one of the most beloved television homes of all time.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

World War II-era Nazi compound nestled in the Santa Monica hills.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Historic funicular railway, believed to be the shortest railroad in the world.

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

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

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

The legendary building that needed ghostly approval before being built.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A giant Troll lurks under one of Seattle's oldest bridges.

A museum dedicated to the history and exploration of both popular music and science fiction.

This expansive bridge in the Canadian wilderness was originally just built for friends.