The Flower Garden Banks National Marine Sanctuary, 100 miles off the Texas coast, protects 56 square miles of thriving coral reef ecosystems. See it via a liveaboard dive boat.
Welcome to Brewster County, Texas, all 6,169 square miles of it, one of my favorite parts of the state. Take a tour of its offerings with County Judge Eleazar Cano. Grapevine Hills Trails in Big Bend National Park.
Scientists tag sharks to learn more about their movements and habitat use, which helps identify areas that most need protection. A behind-the-scenes look at a shark tagging expedition off the coast of Florida. Measuring and tagging a tiger shark.