Omaha's Henry Doorly Zoo and Aquarium is a zoo in Omaha, Nebraska. It is accredited by the Association of Zoos and Aquariums and a member of the World Association of Zoos and Aquariums. In August 2014, TripAdvisor proclaimed Henry Doorly Zoo the "world's best zoo", leading San Diego Zoo and Loro Parque, based on reviews for 275 major zoos worldwide. The Lied Jungle is one of the world's largest indoor rainforests, and the "Desert Dome" is one of the world's largest indoor deserts, as well as the largest glazed geodesic dome in the world.—Wikipedia
Red Rocks Amphitheatre is a rock structure near Morrison, Colorado, 10 miles west of Denver, where concerts are given in the open-air amphitheatre. There is a large, tilted, disc-shaped rock behind the stage, a huge vertical rock angled outwards from stage right, several large outcrops angled outwards from stage left and a seating area for up to 9,525 people in between. At its height, the amphitheatre sits at 6,450 feet above sea level, and the surrounding Red Rocks Park covers 868 acres. The amphitheater is owned and operated by the City and County of Denver, Colorado and is located in Red Rocks Park, part of the Denver Mountain Parks.—Wikipedia