Salute the leader of the proletariat.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

Avoid gangster interaction while window-shopping.

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

Lie in a hammock where George Washington stood.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Slyly buy a shake in the Parker Meridien lobby.

This semi-hidden Manhattan restaurant is based out of a loading dock.

A popular European tradition makes its way to the states on one of America's most famous bridges.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A very classy 1920s-era bar right in Grand Central Station.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

A dilapidated dock tells the story of Titanic's missed arrival.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.