London's smallest police station is barely the size of a phone booth.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A massive maritime collision may have led to the myth of a resort island's strange financial status.

One of only two commuter aerial tramways in the United States.

Elevated freight railway turned wildly successful urban park.

Where monkeys run wild and the humans are caged.

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

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

When you can't get to the Pacific, just go to Florida.

The ghostly remains of an accidental sea.

Erroneously called the world's tallest flagpole, this landmark is devoted to "good neighborliness."

Version of the French Riviera destroyed by the sea.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

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

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

The miraculous hydrant that saved the Mission District in 1906.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This shop specializes in oddities and Victorian-inspired wonders.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An enchanted arts space which assumes infinite identities.