The Ridges Sanctuary celebrates their 80th Anniversary and the Cook-Albert Fuller Nature Center Building Dedication Aug. 5. The Nature Center will be open from 9 am to 5 pm, with the usual 10 am Guided Sanctuary hikes. The Dedication Ceremony begins at 11:30 am and will be followed by a grill-out from 12 – 2 pm. Guided Sanctuary hikes will again be available at 2 pm. No reservations necessary. The Cook-Albert Fuller Nature Center is located at 8166 Hwy 57, Baileys Harbor.