This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

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

Storage warehouse of the rich and famous.

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

An annual extravaganza of Broadway theater memorabilia.

Depression-era fun lives on in this Harlem museum dedicated to the sport of the street.

A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

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

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

A sculptural commentary on capitalism pokes up from the East River.

A small part of lower Manhattan is actually made from a bit of England.

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.

Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

Gang fights don't just happen on the streets, they happen under them too.

This 220-year-old house is a reminder of New York City's Dutch past.

Red frames showcase remnants of one of New York's original subway stations.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

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

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