Biosphere 2
Oracle, AZ
Oddities
A sealed glass research complex built around 1990 to test closed ecosystems, now run by the University of Arizona. Visits take you past the rainforest, ocean and desert biomes; allow about two hours.
- Nearest town
- Oracle, AZ
- Category
- Roadside oddities
- GPS
- 32.5783, -110.8512
Hours, fees and access change. Confirm with the operator or park before you go.