A psychedelic labyrinth on the San Francisco bay.

A huge musical instrument played by the ocean.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

Sip coffee and talk politics at this landmark cafe in Astoria's Little Egypt, a contender for the title of America's first hookah bar.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

2,000 barrels of aging beer hidden in a warehouse at the Brooklyn Navy Yard.

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

This Queens beer hall preserves a German culture and language that is all but lost.

Once a month, an Indonesian feast appears inside an Elmhurst church hall.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

You don't have to be an ambassador to dine like one.

Crammed into several rooms of a Staten Island home, this museum is a vodka-soaked paean to the pleasures of drinking.

This neighborhood grocery houses a treasure trove of Eastern European delights.

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

Underground vaults of a former brewery beneath Brooklyn's Crown Heights are now used to ripen cheese.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

Mysterious 500-year-old tapestries depict a unicorn hunt.

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

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.