The Rock Sports Complex is a multi-sport and entertainment complex centrally located in Milwaukee Wisconsin. It is a joint initiative between Zimmerman Ventures, Milwaukee County Parks and the City of Franklin to promote youth and community development through a common passion for sports and recreation. The Rock hosts baseball, skiing, snowboarding, snow tubing along with numerous entertainment events such as The Hill Has Eyes and the Summer Concert Series: - Ball Parks (Rock League Baseball - RLB): Best Baseball Complex in 250 mile radius. Major League replica fields. - Snow Park: 100% Only Terrain Park. Home of Powder Farm - Best Youth Camp For Ski and Snowboard in Wisconsin. - Umbrella Bar: Only Umbrella Bar in the Midwest along with the best views in southeastern Wisconsin. - Tap Works: Self-serve beer and wine saloon. - Hill Has Eyes: Voted the #1 Haunted Attraction in Milwaukee by the Milwaukee Journal Sentinel. - Home to Prospect Training Academy.