Twin Lakes State Park, 788 Twin Lakes Road, Green Bay, is offering a “Welcome Campfire” beginning Friday from 7-8 p.m. at the campfire ring near Picnic Shelter 1 The event is “packed full” of family fun activities or informative talks about the wildlife there. There will be something different each week. There’ll be marshmallow roasts after each event. For more information, call (434) 392-3435.