If you have ever been interested about the medicinal properties of plants (note that the billion dollar pharmaceutical industry is!), there will be several classes offered in mid-September at the Marsin Nature Retreat Center just outside of Houghton; see the “Keweenaw Peninsula: Plants, People and Planetary Healing” section on the “Special Events – Classes” page.
Also note that the Houghton & Keweenaw Chapter of the group Herbalists Without Borders will be having a potluck at Marsin on the evening of September 17th.