There's no question about it, New York City's iconic skyline has been undergoing a transformation over the last few years.

With supertall buildings -- both residential and commercial -- sprouting up like cement weeds all over the city, street artists will soon have to do away with hawking their classic versions of the cityscape.

Some of the planned structures set to open in the next three years will even snatch tallest building titles out of the hands of other recently completed buildings.

With the skyscraper wars in full swing, we took a look at some of the buildings that will change the city's skyline.