If your trip to Mill Valley is all organized but your itinerary is a little on the empty side, let us give you a helping hand.Whatever you do, don't forget to pack your camera when you pay a visit to Muir Woods National Monument. This fantastic attraction is sure to provide some wonderful photo opportunities.Plan a stop at Sweetwater Music Hall. It's one sight you'll find on most visitors' must-do lists. If you still have some space on your travel itinerary, Book Passage and Old Mill Park will keep you busy as well.