Wagga's nomination is truly a beautiful spot. I'd nominate it as a "US Place You Must Visit" if you are a hiker. It is best visited as a backpack trip, camping in the campground for several nights. One day should be spent exploring the waterfalls and swimming in the aqua pools at their bases, and another could be a fantastic hike down to the Colorado River and back. I've made that visit twice, and would love to get my family down there, too.