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

The former sign of this immortal music venue is just that--undying.

The greatest real estate coup of all time.

Try not to get slimed in Tribeca.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Set sail on a small scale.

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

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

A terrific purveyor of natural history objects and curios.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A decommissioned military complex that's now a modern industrial park.

Sniff the Titan Arum's rotting flesh.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Home to items never before seen by the public.

Memorial built in 1922 in remembrance of WWI casualties.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

A unique sculpture park that specializes in the huge and bizarre.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

One-time largest man-made structure in the world will be a park in 30 years.