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

A Manhattan office building is home to the world's largest chess board.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

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

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

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

Cryptic messages embedded in the New York City sidewalk.

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

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

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

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

Bowl in splendor, if you're lucky.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."