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Biosphere 2–The University of Arizona

Located in: Pinal County


32540 S. Biosphere Rd.
Oracle, AZ 85623
United States

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  • Green Business
  • Mexico Ready

Visit Biosphere 2 today and find out why Time Life Books named it “One of the 50 must-see wonders of the world!” Three New Themed Tours take you inside the world's largest living research center focused on future life of our planet. Experience the new "Under the Glass" classic, amazing "30 Year History" or engaging "Family " tour.  Highlights of this immersive experience include a new feature movie, multi-media exhibits and a uniquely built indoor trail system with your tour led by a knowledgeable guide. Biosphere 2 is the size of 3 football fields and has a $200 million dollar replicated mini-world.  Beneath 6,500 panes of glass lives a rainforest, million gallon ocean, coastal fog desert, technology grid and much more.  Located at a very scenic cool elevation of almost 4,000 feet at the base of the Tucson Catalina Mountains. Check out our Bookstore & Cafe. Just 20 minutes north of Tucson and 90 minutes south of Phoenix.  Guided adventure tours offered daily! Visit or call (520) 621-4800 OPEN DAILY 

  • TripAdvisor Traveler Rating
    Based on 1050 reviews
  • #2 of 9 things to do in Oracle
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Interesting Visit!

Seeing the Biosphere is like going on a school field trip! Its educational, with lots to see and experience. Its nothing earthshattering! Great for school age children. I took my 17 year old...

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Biosphere 2 Family Visit

We drove 2 hours from Scottsdale to Oracle. Bought tickets on Groupon for $28 for the both of us for a basic visit. The tour took 1 1/2 hours with a guide. Drove into Oracle after the tour to get gas...

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It's a very interesting place. Tour was very educational for kids and adults. Plan to spend about 2.5 hours there. Moderate walking involved. Tour guide seemed very tired and wasn't really...

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  • Wheelchair Accessible

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