The 39-acre Great Wolf Lodge in Mason, Ohio, offers year-round activities inside its indoor water park, Bear Track Landing. The water park has six pools, 12 water slides and a tree house "waterfort" under its 90-foot-high roof. Scheduled to open this spring, the Lodge's 40,000-square-foot conference facility features a grand ballroom, meeting rooms and wireless Internet access. Additional amenities at the resort include the Loose Moose Cottage restaurant and the Elements Spa. For more information, call 513/459-8885, or visit greatwolf.com.