Con Edison’s exotic and heat-loving pests.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

An unconventional space for art and science housed in a massive old warehouse.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

Ever wanted the laymen's version of your credit card fine print?

Unusual books about food and drink abound in this 19th-century New York townhouse.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

Finally, you don't have to be a pious Swedish seaman to relax like one.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

The first museum in the United States dedicated entirely to posters.

Play heads or tails with thousands of different coins.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

What happens here stays here – unless it affects the whole world.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.