New York City, United States - old residential building in Midtown Manhattan. - Stock Photo & Image

New York City, United States - old residential building in Midtown Manhattan.

Downtown Boston old architecture street view. Massachusetts, USA. State Street in Boston.

The Flatiron Building on Madison Square in New York in april

NEW YORK, USA - JULY 5, 2013: Architecture of the 5th Avenue in New York. New York City is visited by 56 million annual visitors (2014). 20 million people live in NY metropolitan area.

New York City, United States - old residential building in Midtown Manhattan.

Classical buildings in New York city

Boston, Massachusetts in the United States. Old apartment buildings.

NEW YORK, USA - JULY 2, 2013: Fifth Avenue skyline in New York. 5th Avenue is one of most expensive real estate areas in the world.

NEW YORK, USA - JULY 4, 2013: Whitehall Building in New York. The landmark in Battery Park dates back to 1902 and was designed by Henry Hardenbergh.

Upper West Side residential street in Manhattan, New York City.

Old beautiful architecture at famous Avinguda Diagonal (Eixample district), Barcelona (Spain)

NEW YORK, USA - JULY 5, 2013: Flatiron Building in New York. Flatiron is one of the most recognizable buildings in NY and is considered National Historic Landmark.

Boston landmark. Flour and Grain Exchange Building. 19th-century office building in Boston.

NEW YORK, USA - JULY 3, 2013: Flatiron Building in New York. Flatiron is one of the most recognizable buildings in NY and is considered National Historic Landmark.

NEW YORK, USA - JULY 2, 2013: Architecture of Madison Avenue in New York. Madison Avenue was not a part of original NY street grid plan, but was created in 1836.