University of Arizona Biosphere 2

Learning
32540 S Biosphere Rd, Tucson, AZ 85739 32540 S Biosphere Rd, Tucson Directions
+15208386200
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If you love to try new things, head to Tucson's Biosphere 2 and experience something new and exciting. This place is a place you'll love to visit, so don't wait around, give them a call today!

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Report | 5 hours ago
Great educational experience! Very knowledgeable tour guide. Recommend for ages 12 and up who are interested in environmental studies.
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Report | 6 hours ago
Bring water as temps change as you go through the different environments. Very cool and informative (not an overload).
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Report | 2 days ago
to take the tour you need to be able to walk and take over 1000 stairs. But is very interesting.
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Report | 7 days ago
Our tour guide was nice, the place is great
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Report | 10 days ago
Tour Guide Bill was very good, enjoyed and learned on the visit.
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Report | 13 days ago
Had a great time. Our guide was very helpful in answering questions. ASU should be proud!
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Report | 14 days ago
The tour was very interesting. Really nice way to spend a few hours or more. Be prepared there are about 150 stairs to go up and down and a few tight spaces to go through. The tour is not accessible to wheelchairs or walkers.
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Report | 14 days ago
Loved going through the tunnels to the South Lung. Also don't miss the Ocean center, the human habitat and the lunar greenhouse (not on the tour but worth checking out on your own!).
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Report | 14 days ago
Guided Tours are the only way you can see the facility. BE SURE TO CALL FIRST to check on tour times. The tours are 2 hours long and very interesting!
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Report | 14 days ago
Excellent education experience
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From Our Editors

In 1984, Space Biospheres Ventures purchased a few unassuming acres north of Tucson in the shadow the Santa Catalina Mountains. There, the company expanded its sci-fi-sounding activities—the development of space-colonization technology—and built what would evolve into Biosphere 2, recently seen on The Today Show.

Designed to re-create Earth's ecosystems, the gigantic glass enclosure (some 7.2 million cubic feet and 91 feet tall in some parts) is famous for housing biospherians in the 1990s. The researchers lived completely sealed inside for extended periods, giving scientists groundbreaking data on human survivability and interaction with particular bionetworks.

The University of Arizona had the 40-acre Biosphere 2 campus donated in 2011, maintaining it as a hub of serious research while expanding its mission to encompass interactive educational outreach. Each year, thousands pass through the on-site labs and classrooms as well as stroll the Biosphere 2 interior to view films, experience multimedia exhibits, or embark on guided tours. Tours venture into the actual ecosystems, allowing earthlings to note biodiversity, smell fresh precipitation in the rain forest, and savor the softness of savannah grassland underfoot until the resident grumpy old man yells at you to get the heck off his lawn. Before their dramatic conclusion at a million-gallon ocean tank, tours delve into the basement to explore the technosphere, where visitors can witness the deep inhales and exhales of the sphere’s respiratory system.

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