Digging for Dinosaurs: Talk about a special delivery! Co-host Caroline Raville got to witness the recovery of thousands of pounds of dinosaur fossils by helicopter, deep in the Utah desert. Paleontologists from the Bureau of Land Management call Grand Staircase Escalante National Monument one of the best "bone yards" on the planet. Scientists continue to identify new species of dinosaurs and other reptiles in this remote area. Many are 75 million years old! Sonoran Desert Protection: There's a quiet beauty in Arizona's Sonoran Desert. A wide range of residents work to make sure wildlife and ancient artifacts here are protected, now and for the future. You'll meet a pastor who's come up with a game for his young parishioners to learn about nature. Local farmers embrace the daily visits of wild animals to their land. Conservationists, and even the U.S. Air Force, realize the need to keep this land safe for future generations. "Swamp People": The Okefenokee Swamp is constantly changing, from its river trails to its alligators and beautiful bird populations. Sharon Collins of Georgia Public Broadcasting joins some self-proclaimed "swamp people" who make their living in this National Wildlife Refuge. It is a wetland of international importance, but for anyone who visits, it is simply a captivating place to watch plants and animals.