Pool / Billiards: Spanning four levels, this ultra-hip lounge at Downtown Crossing offers a variety of after-hours diversions for discerning patrons with deep pockets. The main-level restaurant is terrific for a pre-theatre or a late night bite of Mediterranean pizza. On the second level, cool crowds gather to lounge, dance and shoot a few games of billiards. Immediately upstairs you'll find a similar spread, only this one is designated for VIPs. And state-of-the-art light and sound systems (and occasional live bands) get folks grooving on the fourth floor, where the dance floor is complemented by suave tans and suedes, a marble-topped bar and cushy banquettes.