University of Arizona Biosphere 2 is an American Earth system science research facility located in Oracle, Arizona. Its mission is to serve as a center …See more
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Tripadvisor
4.0/5 · 1,303 reviews
5-star
52%
4-star
26%
3-star
8%
2-star
9%
1-star
5%
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Oct 5, 2024
Fascinating place, with information focusing mostly on the experiments in the early 1990s. It was interesting to see the small living quarters that people lived in during those experiments. There are… Full review by PhotoTripper_10
Sep 19, 2024
The Biosphere was more in my husband’s hit list than mine but it is an incredibly interesting piece to visit. The history and science of Biosphere 2 is fascinating. Whether you are interested in scie… Full review by Tazz21
Sep 4, 2024
I found this really fascinating. The self guided tour is really high quality. The people working there are really nice. I feel like a lot of people don’t know about this place or that you can tour/vi… Full review by Karen D
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Frequently asked questions
Q:
The date and time I want is sold out. Can I purchase tickets onsite?
A:
We ask that all tickets be purchased in advance of your visit. This allows us to manage occupancy to maintain safe distancing for the safety of our staff and other...