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.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

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.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

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

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

Sniff the Titan Arum's rotting flesh.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

The world's only and thus largest collection of its kind celebrates everyday wonder through simple umbrella sheaths.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

One of the last remaining movie theatres in the country that features a rear-projection system.

This supermarket is suspended 25 feet above an interstate highway.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

The world's largest piece of copyrighted artwork.

The two writers famously didn't come to blows over the Oxford comma.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.