56 Leonard Street (known colloquially as the Jenga Building or Jenga Tower[3] ) is an 821 ft-tall (250 m), 57-story[1] skyscraper on Leonard Street in the neighborhood of Tribeca in Manhattan, New York City. The building was designed by the Swiss architecture firm Herzog & de Meuron, which describes the building as "houses stacked in the sky." It is the tallest structure in Tribeca. (Wikipedia)