Find Your Park with a visit to a historic Great Lakes village and U.S. Life-Saving Station (USLSS) during Glen Haven Days at Sleeping Bear Dunes National Lakeshore. Join Park Rangers and volunteers on Saturday, May 23, from 10 a.m. to 4 p.m., at Glen Haven and the USLSS for hands-on activities that will bring Michigan’s maritime history of the early 1900s to life.