From sea to shining sea, the celebration of National Parks Week kicks off Saturday. Sitting in a recliner watching the game on the weekend may be the American way, but enjoying the country's natural and historical sights in our own backyard is our birthright. And, with 364 parks to choose from, there's sure to be something for everyone -- even the most intrepid channel surfer. So, get up and go!
Places like Yellowstone or the Grand Canyon are obvious choices, and unarguably fascinating, but there are many lesser known parks to discover. From mountainous sand dunes to underground caves, here are five national park experiences that tend to fly under the radar.