Glacial Potholes at Interstate State Park in Wisconsin/Minnesota Post author: Post published: Post category:Hike / North America / USA / Wisconsin Gorgeous fall day while hiking glacial potholes at Interstate Park in Wisconsin… You Might Also Like Fort Snelling National Cemetery on Memorial Day in Minneapolis, Minnesota National Gallery of Art & Sculpture Garden in Washington, DC Paris, France with Kids: Happy July 4th from the Eiffel Tower!