United States: Arizona: Oracle: Biosphere 2

Tio D. working to end Huntington disease
30 places

A question about this place:
Why is it called Biosphere 2?

Answers:

ToddieM
Diamond Bar

I thought, according to my father, that Biosphere 1 was the space between my ears.

ToddieM has gotten 2 cheers on this answer.

cranberrygoddess
Canberra

awwww