It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Notorious artist squat renovated into legal studios.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A one-of-a-kind collection of a unique medium.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

New York's oldest magic store.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Hot springs monkey spa in the middle of Hell's Valley.

The sign at the garden gate reads: "These Plants Can Kill."

A bizarre house filled with an astounding array of collections.

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

An enormous, inside-out glass globe built in 1935.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.