Duluth, MN is the fourth largest city in the state. Duluth, MNis at the westernmost point of the Great Lakes. Duluth along withSuperior, WI is called the Twin Ports, and between the two they arethe world’s largest inland port; they ship iron ore, coal, andgrain. Duluth, MN has the only all-freshwater aquarium in theUnited States, and also has the world’s longest freshwater sandbar.The sandbar is 6 miles long.A must visit spot in the city of Duluth, MN is the Duluth’sChildren Museum. Children of all ages and their parents lovevisiting this museum. Within the museum are many opportunities tolearn through hands on exhibits that cover a broad range of areassuch as waterways, Immigration offices and internationalmarkets.A wonderful time to visit Duluth, MN is during Spirit ValleyDays. Kid’s gam