If your trip to Portland is all locked in but your itinerary is looking a bit empty, we can give you a helping hand.Discover the best that this place has to offer by adding Pioneer Courthouse Square and Portland State University to your must-see list. If you've got an extra day handy, take a look at Tom McCall Waterfront Park and Providence Park too.Stop by Moda Center. It's one attraction you'll find on many visitors' must-do lists. Lloyd Center and Keller Auditorium are also close by and worth a detour.