Susquehanna State Park, 2205 Hiawatha Blvd., Williamsport; 570-326-2500; www.ridehiawatha.com   Come one, come all, and join your favorite princesses for an adventure on the Susquehanna River you won’t soon forget!  Join The Ice Princess, Snow Queen, Mermaid Princess, or Beauty Princess aboard the Hiawatha for singing, tiara making, story-time and personal meet and greet.  Princesses vary by date.  See website for details.