If your trip to Downtown St. Louis is all locked in but your itinerary is a little on the empty side, let us give you a helping hand.While planning your road trip to Downtown St. Louis, be sure to pass by Busch Stadium. Have your camera handy to snap some stunning pics to show all your family and friends when you return home.Cool things to explore around this neighborhood? City Museum and Dome at America's Center are right up there. Head over and discover what the fuss is about.Give that rental car a break and exercise those legs. Not far from this neighborhood's center, St. Louis Children's Aquarium is worth a visit. More adventure awaits at Gateway Arch National Park and Citygarden, which are also nearby.