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 piece of public art dedicated to LGBT rights.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

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

The "Seinfeld" diner.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Try not to get slimed in Tribeca.

An unassuming store hides relics of its former life as the jazz club that hosted some of the best black performers of the 1920s and '30s.

A bloodstain from "the wound of the transverberation of the heart."

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Orthodox church partially financed by Tsar Nicolas II.

These pretty kitties killed and ate as many as 135 railway workers.

A display of magnificent stained glass windows is the first exhibit of its kind.

Pizza with a side of fine art.

Internationally known record store and purveyor of "dusties."

A Bibliophile's Dream.