This failed condo development was reborn as a street art hub.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This former coal gasification plant found a curious second life as a popular public park.

A wall of chewing gum moonlights as collective art.

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

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

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Golden Gate Park's historic collection of plants.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A house of courtship where the Jazz Age's most storied lovers got their start.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A snapshot of the city's fascinating voodoo culture.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Dozens of feral felines rule a segment of Hollywood's only graveyard.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

This grand mansion has starred in everything from Bones to Buffy.

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

Resting place of Hollywood's immortals is also site of summer film screenings.