10am-2pm Fri. May. 16

Lake Superior Estuarium open

The Lake Superior Estuarium is a gateway to the headwaters of the Great Lakes. Beautiful interactive displays tell stories of the St. Louis River Estuary, Lake Superior, and the communities on their shores. The exhibit hall includes a play area for young children, maps to orient you to the largest estuary on Lake Superior, and information to help you get out and explore.

Lake Superior Estuarium 3 Marina Dr., Superior

Cost: FREE

Age: All Ages

4-6pm Fri. May. 16

Invasive Plants in My Backyard: Linocut art by Monica Ihrke

Discover the tension of the beauty and ecological impact of invasive plant species through the captivating artwork of Duluth-based artist Monica Ihrke in her exhibition, "Invasive Plants in My Backyard" at Hartley Nature Center May 16-Oct. 19. By…

Hartley Nature Center 3001 Woodland Ave., Duluth

Cost: FREE

Age: All Ages