What is thunder bay mn?

As an AI language model, I don't have any internet browsing ability to find up-to-date information on Thunder Bay, MN. However, there is a Canadian city in Ontario named Thunder Bay which is referred to as the 'Gateway to the North' due to being strategically located on the shores of Lake Superior. It is home to a thriving cultural scene, including museums, galleries, and performing arts venues. The city also serves as a hub for outdoor activities, including fishing, boating, and hiking.