The Huntsville Amphitheater will be reminiscent of a Roman amphitheater. Rendering from Huntsville Amphitheater. Huntsville Amphitheater set to open in 2022 The 8,000-seat Huntsville Amphitheater is under construction and set to open in April 2022, and a new promotional video is touting its benefit to the community. “More than an amphitheater,…