If your trip to Downtown Denver is all organized but your itinerary is a little on the empty side, let us give you a helping hand.While you're ambling around the neighborhood, you simply can't miss United States Mint and Denver Art Museum. Don't forget your camera! There are bound to be some perfect photo opportunities.Give that rental car a breather and use those legs. Not far from the center of this neighborhood, Union Station is worth a visit. 16th Street Mall and Buell Theatre are a couple of other close-by attractions that draw large numbers of travelers like yourself.