The most confusing clock in New York.

The only subway station in the city that still makes use of gap fillers.

The site of the deadly Triangle Shirtwaist Factory Fire.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

Salute the leader of the proletariat.

Gang fights don't just happen on the streets, they happen under them too.

Try not to get slimed in Tribeca.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

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

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

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

Avoid gangster interaction while window-shopping.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

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.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

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

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.