Boisphere Project

Biosphere 2

biosphere2.org
4/5
(1.3K) · Science museum in Oracle, United States
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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 …

Reviews

Tripadvisor
4.0/5 · 1,304 reviews
5-star
49%
4-star
25%
3-star
10%
2-star
11%
1-star
5%
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Feb 8, 2025
Not really too much of interest. A couple of "domes" with vegetation and a faint reminder of an ocean area. I remember the Biosphere being a big thing 30+ years ago, but after its brief fame it see…Full review by sunhead
Jan 2, 2025
I hadn't been here since the early 1990s. It was cool to finally see the inside, but the tickets are pretty expensive for what seemed like not much to see. Also, all of the info on the research being…Full review by Road08322503181
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
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Articles

Well, Because Biosphere 1 Is the Earth
Biosphere 2 is an Earth systems science research facility owned by the University of Arizona. Its current mission is to serve as a ce…
maps.roadtrippers.com
A Reproduction of Earth's Many Biomes
With dreams of colonizing Mars, John P. Allen, who made his millions in oil, funded the building of Biosphere 2 in the middle of the Arizona de…
atlasobscura.com
Largest Closed System Ever Created
Biosphere 2 is an American Earth system science research facility located in Oracle, Arizona. It was originally constructed betwee…
triposo.com
Biosphere 2 is an Earth systems science research facility located in Oracle, Arizona. It has been owned by the University Of Arizona …
touristlink.com
Visit the world's largest man made controllable environment and witness demonstration labs, a human habitat and Earth exhibits. Watch scie…
cityseeker.com
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Facts

Located:Oracle, Arizona, United States
Elevation:3,820 ft (1,164 m)
Construction completed:1991
Owner:University of Arizona
Construction started:1987
Surface area:3.14 acres (12,700 m²)
Type:Research facility

Questions & answers

Q:
Can I get tickets day before tour
A:
Most definitely. You can even walk in and get tickets. It is not busy and you can start as soon as you get there since it is self-guided.
A:
Answer by Barbara M · Mar 29, 2022
Q:
Are there elevators
A:
No. This place is old school. It is fabulous but very much a metal winding stair type of environment. LOVE IT!
A:
Q:
If clostraphobic how long is the tunnel
A:
I sometimes feel a little claustrophobic but did not even think of it there, out very soon.
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Q:
I read there a a lot of stairs, are they all at once or scattered through out?
A:
Yes there are stairs, ramps, there is walking to get out to the tour and on the tour. They are scattered throughout the property.
A:
Q:
Is the Biosphere handicap accessible?
A:
Some areas will be difficult for a wheelchair. Crutches and canes will do well.
A:
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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...
A:
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