National Geographic Live: Diving the Great Barrier Reef is a live lecture that brings the wonders of one of the planet's most famous underwater worlds to the stage. Held at HEB Performance Hall at Tobin Center for the Performing Arts in San Antonio, it's an intimate, polished theater experience with a big-screen focus on the reef's colorful corals and marine life. National Geographic Live events blend stunning visuals with real-world storytelling from explorers and photographers.