Oracle

Biosphere 2

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520.838.6200

32540 S Biosphere Rd, Oracle, AZ 85623.

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user reviews powered by

based on 55 reviews

01/03/14
Daniel C.
One Liner: Worth the $15 admission we paid for being students but the normal $20 would have been pricey. Overall: Great educational tour that discussed...

10/23/13
Reese J.
It's science! And it's actually really beautiful. We went to the biosphere as it was getting cooler in weather temps. That made it much more enjoyable to...

08/15/13
Linda T.
I and my husband are big science fans and we thought this Biosphere would be a really interesting place to visit. Well, from science perspective, we...
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tips from

total check-ins: 1493
12/07/10
NASA
There were two different missions between 1991 and 1994 where researchers were sealed inside to measure sustainability. This type of eco-environment would be critical for human space colonization.
09/13/12
The Ritz-Carlton
Want to walk through mangroves, rainforests, savannah and a fog desert in the space of an hour? Yes. Then the futuristic Biosphere 2 is the place for you. Wild and wonderful.
10/06/11
Candice Curtis
Go on Earth Day when admission is free, and the original Biospherians do tours.
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user reviews

rating 3.6 out of 5
06/15/14
Rick Ranalli
There is nowhere else on Earth like Biosphere 2. The complex itself is a marvel of engineering and the past and ongoing science behind it is fascinating. Science can benefit as much from unexpected results and mistakes as it does from "successes," so the initial highly-publicized original experime....
06/17/14
David Holmstrom
This will sound like a lot of the other reviews, but I too was very bothered by the tour guide! It was great to see the Bioshpere2 and the engineering that went into it, but having to listen to the tour guide rant about his personal beliefs and feel like we were being lectured the whole time really....
12/01/13
Liz Mackall
Fascinating history and some of the areas were truly awe-inspiring. Our visit was pretty much ruined by our tour guide though. She was just horrible and painful to listen to. Flip-flopped back and forth from being defensive and self-congratulatory. Screeched at us and harangued us for nearly 10 minu....
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