The rare American Civil War-era weapon was never fired in anger.

Where the Monitor was launched and ushered in the age of the "ironclads."

The final resting place of some of Staten Island's earliest settlers and their descendants.

Red Hook's massive public pool, built by Robert Moses.

These century-old townhouses contain some of the first car garages built in the United States.

The only remaining Jewish congregation in Greenpoint.

One of the largest public housing complexes in New York once visited by Eleanor Roosevelt.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

School named after its beloved principal, killed in the cross-fire of a drug related shooting.

A temple belonging to the largest Buddhist order in South Korea nestled in the middle of New York City.

A huge resale shop for the cast-offs of the film & television industry.

An accidentally hidden library containing the ephemeral history of New York.

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

Tucked in the back of this amazing antique store is an important piece of medical history.

Whether you're up or down, the Elevator Museum is worth a stop.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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

Historical figures from New York City's Catholic community reside in Midtown.

This was one of the first (and last) university-built and operated nuclear reactors.

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