Biosphere 2
5 expert reviews
“A real rainforest, a million-gallon ocean, green-technology systems and firsthand experiments about future life on our planet.”
– Where
Fodor's
"In the town of Oracle, about 30 minutes northwest of Tucson, this unique, self-contained cluster of ecosystems opened in 1991 as a facility to test nature technology and human interaction with it." Full review
Frommer's
"For 2 years, beginning in September 1991, four men and four women were locked inside this airtight, 3-acre greenhouse in the desert 35 miles north of Tucson near the town of Oracle." Full review
Lonely Planet
Top Choice
"Built to be completely sealed off from Biosphere 1 (the earth), Biosphere 2 is 3 acres of glass domes and pyramids containing six ecosystems: ocean, mangrove, rainforest, savannah, desert and city" Full review
Travel + Leisure
"Billed as “The World's Largest Earth Science Experiment,” Biosphere 2 is a controlled environment that was created to understand Earth’s living systems and the impacts of climate change"