Best views of the city in my opinion. With the Hancock Tower being closer to lake Michigan than the Sears (*ahem*, "Willis") Tower, it provides nicer views of the coastline and more sweeping cityscapes. The fact that there's a bar here doesn't hurt, either! TILT! also looks like...quite an experience. My crippling fear of heights makes being dangled at a 30 degree angle out over a building's 94th floor sound like a torture device and not a source of entertainment, but my oldest son and wife enjoyed it very much. Prices are not cheap, and the lines can get long for the elevators up and down, but if you avoid peak times you can usually get up and down pretty quickly. While not as famous and not as tall as its rival down by the Loop, I preferred my time and the views here.