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Biosphere 2

32540 S Biosphere Rd, Mile marker 96.5, Oracle, AZ 85623-7019
+1 520-838-6200
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Review Highlights
Interesting tour for all ages!

While visiting the area, we decided to take a tour and we were glad we did! Very interesting to... read more

Reviewed yesterday
Swankysilver
,
Pittsburgh, Pennsylvania
via mobile
Maybe not what it once was!

We arrived at about 10:30am and there was already a significant line. They seemed very... read more

Reviewed 4 days ago
Flare-n-me
,
Willamette Valley, Oregon
via mobile
Read all 952 reviews
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Overview
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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%
Travelers talk about
“living quarters” (48 reviews)
“guided tour” (89 reviews)
Closed Now
All hours
Hours Today: 9:00 AM - 4:00 PM
Suggested Duration: 2-3 hours
LOCATION
32540 S Biosphere Rd, Mile marker 96.5, Oracle, AZ 85623-7019
CONTACT
Website
+1 520-838-6200

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Write a ReviewReviews (952)
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All reviews
"living quarters"
in 48 reviews
"guided tour"
in 89 reviews
"research facility"
in 37 reviews
"self sustaining"
in 20 reviews
"climate change"
in 22 reviews
"air pressure"
in 14 reviews
"columbia university"
in 11 reviews
"scientific research"
in 13 reviews
"interesting place"
in 29 reviews
"behind the scenes"
in 12 reviews
"coral reef"
in 15 reviews
"self guided"
in 15 reviews
"minute tour"
in 14 reviews
"tucson area"
in 26 reviews
"answer questions"
in 12 reviews
"worth the trip"
in 19 reviews
"unique experience"
in 12 reviews
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1 - 10 of 923 reviews

Reviewed yesterday via mobile

While visiting the area, we decided to take a tour and we were glad we did! Very interesting to learn about the structure, its history, the scientists who were inside for 2 years, and the varying uses of the whole facility. Knowledgable tour guide-- friendly...More

Thank Swankysilver
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 4 days ago via mobile

We arrived at about 10:30am and there was already a significant line. They seemed very disorganized with only one clerk open. It took about 30 minutes in line and while we waited patiently, they opened two other stations and allowed people to walk in he...More

Thank Flare-n-me
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 5 days ago via mobile

Well worth the visit. We've been twice and learned a ton. Taylor was our tour guide and did a great job. Don't take biosphere 1 (earth) for granted. 🙏🏻👍💜💜

Thank Kathy G
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
See more reviews
Reviewed 1 week ago via mobile

Any time I have friends visiting I always take them to the Biosphere! And, they are blown away. I've been there over 10 times now, and still love it. Be sure to read up on it first, interesting history. There is also a funny movie...More

2  Thank Kathy C
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 1 week ago

This is the stupidest place I have ever visited! It’s rundown, boring exhibits and depressing! The “ocean” is so dark and filled with algae you can barely see the five tiny fish in it. Every exhibit tells you what a sad state our planet is...More

Thank Marie E
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 1 week ago via mobile

So the teenagers both grumbled when we stopped to visit the biosphere and complained all the way to the door however within 2 minutes of the tour starting they we completely engaged and fascinated. We now laugh about how cool it ended up being after...More

Thank Laura J
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 1 week ago

We stopped in and did the full tour - 3 of us 40, 50 and 90 years old. The orginal project was very cool - best to learn yourself about it as they really now talk about the current state. Not as interesting, but cool

Thank GarryCari
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 2 weeks ago

Great day trip with lots to see. Guided tours are very informative and our guide was very qualified. Information was provided about when it was occupied for about 2 years and the experiments that continue on. There is so much to see.

Thank Raymond Y
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 2 weeks ago

What a wonderful and informative visit. Our guide was excellent giving lots of interesting inormation about both the history of the Biosphere 2 and the current research that is currently being undertaken. For anyone who is interested or concerned about climate change this is a...More

1  Thank Chloe3836
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
Reviewed 2 weeks ago

Really enjoyed the tour of Biosphere 2 on a cool, rainy January afternoon! Our guide seemed to truly love what she was doing and was very knowledgeable! Great to see that the facility continues to strive for answers that will help improve our ecosystems and...More

2  Thank Deb S
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.
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Ask a question
Questions & Answers
TJL14DML
February 5, 2018|
AnswerShow all 2 answers
Response from edieann | Reviewed this property |
The basic tour is free😀
0
Votes
GARY B S
January 26, 2018|
AnswerShow all 7 answers
Response from edieann | Reviewed this property |
Reservations aren't required
1
Vote
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