Strongly consider hosting your next conference at one of the outstanding hotels on this list. Not in charge? Show your boss these reviews, which detail the second-to-none conference facilities and more at each property. Accommodating staffers, solid dining options, gyms for working off stress and comfortable accommodations are all reasons to hold a conference at one of these hotels—and don't forget business amenities provided, including well-stocked business centers and all the meeting equipment you might need.