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Biosphere 2, Oracle

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Contact: +1 520 896 6200
Open Hours: Mo to Su from 09:00 AM to 04:00 PM
Visit the world's largest man made controllable environment and witness demonstration labs, a human habitat and Earth exhibits. Watch scientists working under a big glass structure figuring out how the earth works. Restaurants, gift shops and a hotel and conference center are available. Biosphere 2, this world-famous research facility is located north of Tucson right off Oracle Road (Highway 77 to 79) at milepost 96.5.