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?

Avoid gangster interaction while window-shopping.

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

Visit the monolithic tomb of America's most famous general.

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

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

Cryptic messages embedded in the New York City sidewalk.

New York City's only preserved family home from the 19th century.