A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A crumbling hospital from the 1850s on Roosevelt Island.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

A giant robo-cockroach building devours Tokyo.

Once a black market electronics marketplace, now an otaku shopper's paradise.

Not quite the menace it once was, this monster still has some chops.

A 20-meter (65-foot) robot towers over Tokyo Bay.

The original "capsule building" is a masterpiece of Metabolist architecture.

On Japan's Tashirojima Island, cats are king.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

The final resting place to 300 Victorian-era pets hides inside the city park.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Statue of death tucked in the University of Medicine courtyard.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

Notorious artist squat renovated into legal studios.