Duluth News Tribune: Lake Superior Maritime Visitor Center celebrates 50 years at heart of Canal Park Star Tribune: How Duluth’s Canal Park went from scrap heap to tourism juggernaut Duluth Area Chamber of Commerce President and former Grandma’s employee Matt Baumgartner credits Grandma’s with giving life to Canal Park as a tourist destination, offering visitors more options in ... DULUTH — When park ranger Kaylee Matuszak is trying to close up the Lake Superior Maritime Visitor Center at the end of a day, she'll sometimes find people at the doors pleading with her to let them ... Lake Superior Maritime Visitor Center celebrates 50 years at heart of Canal Park