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

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

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

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

The most confusing clock in New York.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

Salute the leader of the proletariat.

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

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The site of the deadly Triangle Shirtwaist Factory Fire.

The "Seinfeld" diner.

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

Little Red Lighthouse under the George Washington Bridge.

Commemorating the spot where the famous scientist fed his pigeons.

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

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Rummage through this sunken ship, but leave your scuba gear at home.

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

The former hotel where Tesla invented the radio.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

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

Make a tough dinner decision: Octopus wasabi roulette or bull penis?