There's only one Biosphere 2! Experience the University of Arizona's Biosphere 2 and see for yourself why Time Life Books recently named it 'one of the 50 must-see wonders of the world.' Visitors from around the world come to experience Earth's largest living science center dedicated to exploring the environment, the future, and our planet. A unique trail system allows visitors to explore a tropical rainforest, savanna, coastal fog desert, and million-gallon ocean -- all within Biosphere 2! Knowledgeable tour guides take you on this adventure to explain the history, research and unprecedented science taking place inside this engineering marvel. Also, don't miss our feature film, multimedia displays, bookstore and cafe. New programs and events are offered monthly. Biosphere 2 is open daily, so visit today and see "Where science lives!"
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