Biosphere 2

32540 S Biosphere Rd, Tucson, AZ 85739 32540 S Biosphere Rd, Tucson Directions
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93% of 1899 customers recommended

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Report | 13 hours ago
This is a MUST SEE for those interested in climate change, "global warming" and science in general. Programs such as this are absolutely necessary to have an informed society.
Report | 5 days ago
Very interesting and informative tour.We enjoyed it and will bring next winters guests there. Easily fun a 2nd time.
Report | 5 days ago
Interesting and informative. Tour guide was very knowledgeable and friendly.
Report | 6 days ago
Good walking shoes and water.
Report | 7 days ago
The tour was very interesting, and amazing plants, and architecture.
Report | 7 days ago
Bring water and wear comfortable shoes! We had a great time!
Report | 8 days ago
Loved the tours, they even allowed us to explore afterwards!
Report | 8 days ago
Very cool place
Report | 10 days ago
It's about 1/3 of the tour outside and the AZ heat is VERY warm! Bring water! A family on our tour brought frozen water bottles, which are smart. Also, I'd suggest comfortable walking shoes.
Report | 10 days ago
A tour like no other, incredible! Fascinating! It feels like you leave this planet all together. Guides are very knowledgable. There's a bit of walking on uneven ground, many stairs, and standing in very warm conditions. Not many places to sit down on the the 1.5 hr tour. Overall, great for a visit to a working scientific facility and not a tourist trap. Excellent!
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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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Biosphere 2

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Biosphere 2

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Many people described the Tour Guide as Great.
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Many people described the Guide as Knowledgeable.
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Many people described the Tour as Interesting. Others thought:
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Many people described the Facility as Fabulous.
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Many people described the Experience as Great.
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Many people described the Food as Great. Others thought:
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