A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Slyly buy a shake in the Parker Meridien lobby.

One of only two commuter aerial tramways in the United States.

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

On this island, you suck away your garbage via an elaborate pneumatic tube system.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

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

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

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A Gothic-style abode built to accommodate the church's three resident peacocks.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Sniff the Titan Arum's rotting flesh.

A collaborative art project that transformed a neighborhood in NYC's Queens.

Snack on a partially gestated duck egg.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.