4. Trump World Tower, 327 E 47th St.

In Midtown, next to the United Nations Headquarters, you can find a 90-story, glass skyscraper and a public plaza. This relatively new building, which was constructed in 2001, is comprised of 376 apartments, spread out across 72 floors. Along with its luxury living quarters, it is also home to a private spa and health club, a world-class restaurant (Megu), and a 60-foot pool.