This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The most accurate timepiece in the world.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

The home of aviation trailblazers, in a remote corner of the big city.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Sniff the Titan Arum's rotting flesh.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Ride the subways of yesteryear.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

One of the best absinthe distilleries in the United States.

Antiques by the Bay.

Playable, historic pinball machines fill this Alameda museum.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

Oakland's beautiful monumental cemetery.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.