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

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

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

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

A semi-scholarly approach to sex.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

Nope, not Washington Irving's house.

Elevated freight railway turned wildly successful urban park.

Ride the subways of yesteryear.

As telephones become more essential and less stylish one historic Brooklyn building remembers the days when they were a grand celebration of communication.

The most confusing clock in New York.

2,000 barrels of aging beer hidden in a warehouse at the Brooklyn Navy Yard.

This haunting monument honors the victims of 9/11.

Lie in a hammock where George Washington stood.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

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

Hidden behind a gate in Greenwich Village is a little farmhouse that once served as the writing studio of a bestselling author.

An aptly-named street near the birthplace of the modern LGBT rights movement.

On the Hudson resides one of the largest clocks in the world.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

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