The U.S. Army Corps of Engineers’ Lake Superior Maritime Visitor Center will have summer operating times of five days a week and six hours per operating day for the summer 2025 season. The opening days and times will be Thursday-Monday, 10:30 a.m. to 4:30 p.m. starting Memorial Day week through Labor Day week. The visitor center can be seen here at Canal Park in this undated file image. (U.S. Army Corps of Engineers photo)