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Biosphere 2

32540 S Biosphere Rd, Mile marker 96.5, Oracle, AZ 85623-7019
+1 520-838-6200
Review Highlights

Interesting afternoon, we came because the place we were intending to visit was closed, so an... read more

Reviewed 16 July 2016
Carol L
Stockton-on-Tees, United Kingdom

On the way to the adress our GPS in the car got lost and we had to drive for 45 more minutes before... read more

Reviewed 15 July 2016
Luxembourg City, Luxembourg
via mobile
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Visitors can observe nature in a controlled state at this world-famous steel and glass research center where desert, forest, ocean and other ecosystems are monitored and studied.
  • Excellent46%
  • Very good33%
  • Average15%
  • Poor4%
  • Terrible2%
Travellers talk about
“living quarters” (48 reviews)
“guided tour” (87 reviews)
Open Now
All hours
Hours Today: 9:00 AM - 4:00 PM
Suggested Duration: 2-3 hours
32540 S Biosphere Rd, Mile marker 96.5, Oracle, AZ 85623-7019
+1 520-838-6200

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201 - 210 of 895 reviews

Reviewed 16 July 2016

Interesting afternoon, we came because the place we were intending to visit was closed, so an impromptu trip here turned into a very interesting afternoon. Our guide Lyn was very informative although at times a little difficult to hear. I would advise taking water with...More

Thank Carol L
Reviewed 15 July 2016 via mobile

On the way to the adress our GPS in the car got lost and we had to drive for 45 more minutes before reaching BS2 which is impressive to look at (inside and outside). If you take a tour with children be aware that you...More

Thank BigPanther
Reviewed 11 July 2016

It was such a great place to learn so much about different echo areas from around the world. Rainforest, ocean, desert. The guide was amazing, our grand daughter learned so much, he was very patient about answering her questions. There is a lot of walking,...More

Thank Linda P
Reviewed 7 July 2016 via mobile

We visited biosphere two early in the morning there were is not a crowd we caught the 930 tour which started out a little hard to hear because of all of the fans and air flow etc. but it did improve. The tour was fantastic...More

1  Thank Kristen S
Reviewed 4 July 2016 via mobile

The place is amazing and has beautiful grounds. The guide was informative. I am just a skeptic I guess. I mean when the 8 people lived there and the project was abandoned they say it was because of El Nino inhibiting the plant growth. If...More

Thank Sarah G
Reviewed 1 July 2016 via mobile

This place is a long way from anywhere and typical admission is $20/person. Although, the ride out is very scenic. There are several displays and informative movies that you can view without paying fee. The mission for this facility has changed from the original sealed...More

Thank greenjay1
Reviewed 29 June 2016

We enjoyed the tour. The guide was very knowledgeable. My grandson loved seeing the "lungs" and the rainforest. Although there was less open to the tour than when I was there three years ago, that was disappointing.

1  Thank Kathy F
Reviewed 29 June 2016

If you have never been here, you simply must explore the Biosphere. Science and history are the keywords and the experience of being inside gives one a taste of what the original Biospherians must have felt during their 2 year residence.

Thank MadjagMadjag
Reviewed 28 June 2016 via mobile

It certainly gives you a unique look on how research is done with regards to our planet. The transformation of how the place started to what it is today was interesting. If you go you must do the inside tour which explains some things about...More

Thank Bigboomer1
Reviewed 27 June 2016 via mobile

June may not be the ideal time to visit here. It's 100° out. Inside is awesome and our teenagers loved it, but if we go again I think we'll take off on our own. You learn a lot on the tour but it might be...More

Thank BlackBeltOjibwa
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Questions & Answers
Catherine S
4 November 2017|
AnswerShow all 4 answers
Response from bcaz2016 | Reviewed this property |
Our tour guide definitely gave the impression they run many varied programs there with the potential for participation for non scientists. The facility is now the property of the University of Arizona which conducts special... More
Donald T
17 October 2017|
AnswerShow all 11 answers
Response from desertdune_sg | Reviewed this property |
Yes. I think on the tour some of the stairs were grated metal, but I'm not sure. There are also some sloping uphill parts.
Bonnie L
10 October 2017|
AnswerShow all 11 answers
Response from Jennifer S | Reviewed this property |
yes many steps and I had a cane. I would not recommend with copd