Notre Dame's campus is a great place to walk around. There a lot of things to see and do while you're there. Visit the Hammes Book store and stock up on Notre Dame items. The Snite art gallery is free to visitors and they have some beautiful works of art to view. Check out the Basilica it is a work of art by itself. Make it a day, walking around the campus and have lunch at one of the local resturant across the street from the University.