The largest Pirates' Cove Miniature Golf Course in the USA! 5 different sets of 18 holes- 90 in all. we'll be your family's favorite place. Play over, under and around 17 waterfalls that overlook the scenic Dells of the Wisconsin River. Open April-Oct. at the intersection of the hwys 12-13-14-16-23, Exit 87, 190-94. (608)254-7500.