Besides being home to the hip Encore Liquid Lounge and Lunch Club, the Allegro offers experiences with whimsical names such as "High Road to Hybrid Happiness" with special parking for fuel-efficient visitors and "Lil' Celebrities, " which treats younger guests to their own swag bag, sunglasses and a child-sized animal print robe.

MSN: America��s best party hotels

In the State Department's 2007-2008 Rhythm Road Tours, hip-hop will play a major role.

NPR: Hip Hop Takes on Diplomatic Role with State Department