Cryptic messages embedded in the New York City sidewalk.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Plot your trip through the city on the sidewalk.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Prove you deserve to be fed by Kenny Shopsin.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Lie in a hammock where George Washington stood.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

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

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

During the holidays, a vintage subway train whisks New Yorkers back in time.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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 former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

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

A celebration of capitalism in Midtown.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

More gold than anywhere else, ever.

New York City's smallest piece of private property.

Ride the subways of yesteryear.