Love to party when you travel? Whether you’re planning a raucous getaway with friends or simply want to indulge in a boozy night out on your next business trip, take note. We’ve scouted out the hottest hotels in some of the country’s most hopping party destinations — New York City, LA, Las Vegas, and Miami – where the revelry takes place on right on-site. No need to deal with cabs or public transport in the wee hours of the morning; at these hotels, stumbling to bed is as easy as riding the elevator.