You don't feel like you've gotten the most out of summer yet, do you? The 10,000 Islands, a tangle of islands and mangrove keys off the coast of Everglades National Park, nonetheless have enough left over. This 49-mile 10,000 Islands Loop, which showcases some of the best of it, allows you to share the natural shoreline with shorebirds and marine life. So Many Islands! Launch from the boat launch and...