Duluth, Minnesota four Catholic schools with coverage up to grades 6 or 8, two Protestant schools, two Montessori schools, and six other charter and private schools. Due to its proximity to the Great Lakes, Duluth is the location for the Large Lakes Observatory. The Large Lakes Observatory operates the largest university-owned research vessel in the Great Lakes, the R/V Blue Heron. Built in 1985 for fishing on the Grand Banks, the Blue Heron was purchased by the University of Minnesota in 1997, sailed from Portland, Maine, up the St. Lawrence Seaway to Duluth, and converted into a limnological research vessel during the
Canal Park, Duluth lighthouse pier, the Lake Superior Maritime Visitor Center, the Great Lakes Aquarium, and the William A. Irvin floating ship museum. Those interested in boats will also enjoy watching vessels from around the world enter Duluth's port. Until January 2017, Canal Park was the home of broadcast studios for four Red Rock Radio stations. The Duluth NBC affiliate KBJR is still located in Canal Park. Canal Park, Duluth Canal Park is a tourist and recreation-oriented district of Duluth, Minnesota, United States. Situated across the Interstate 35 freeway from Downtown Duluth, it is connected by the famous Aerial Lift Bridge to the