Michigan’s largest indoor waterpark, Bavarian Blast Waterpark in Frankenmuth, is getting ready to turn up the fun with an adults-only Blast After Dark Glowtopia party. When is Glowtopia at Bavarian Blast Waterpark? Where is Bavarian Blast Waterpark in Frankenmuth? Bavarian Blast Waterpark is at 700 Weiss Street in Frankenmuth, 48734. Sweet Bloomfield Airbnb Comes With Indoor Pool and Tennis Court This amazing Airbnb in Bloomfield Hills features an indoor pool, indoor tennis court, multiple bars, and more!