6. 30 Hudson Yards (1,287 feet)

30 Hudson Yards-Related-Real Estate-NYC
30 Hudson Yards, by Kohn Peterson Fox and Related, will be the tallest building in the rail yard decking project with an observation deck at 1,000 feet and a death defying “thrill device” at what will be the highest observation deck in the city. According to The New York Post, it “could have a glass walkway that may slant and tilt for even more chills and thrills.”