Biosphere 2

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32540 S Biosphere Rd, Oracle, AZ 85623.

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user reviews powered by

based on 79 reviews

Robert P.
I went on the tour yesterday, a Sunday, at 0930. I was the only one in my Group. My Tour Guide was awesome, I can't remember her name, I feel so...

Rodney H.
I was concerned about how my experience with B2 would turn out after reading the recent reviews posted on Yelp. I was dedicated to complete the tour even...

Christine D.
We went to visit family down in Arizona and they planned to take us to the Biosphere one of our days during our visit. I had been living under a rock and...
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tips from

total check-ins: 1573
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.
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.
Candice Curtis
Go on Earth Day when admission is free, and the original Biospherians do tours.
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user reviews

rating 3.5 out of 5
Jeffrey Jordan
The worst part is they have no facilities for people who don't take the tour. If you arrive with a carload of people and some want to tour and others don't, or can't because they can't do all the walking (e.g., the elderly), the others cannot go to the cafe, they can't go to the scenic overlook, the....
Drew Mackay
Tour spoiled badly by insistence of guide to insert editorial opinions about causes of climate change, including the phrase "that harmful gas CO2" on several occasions. Also insisted on adding silly propaganda re: extreme/catastrophic consequences of possible future climate changes in a clear attem....
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....
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