Two thousand artifacts from around the world collected by one woman who loved to travel.

The Hudson River School comes alive at this palatial estate.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

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

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

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.

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

There must be a pun in this haystack somewhere...

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The most confusing clock in New York.

A Natural History and Science Emporium.

The "Seinfeld" diner.

A bit of retro transportation flair preserved in the world's largest department store.

Phil Mortillaro uses keys to bring art back to the Village.

Little Red Lighthouse under the George Washington Bridge.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

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

An artist's cute bronze subway sculptures belie his violent artistic past.