Pinal County

Arizona

A sign for Biosphere 2 Visitor Center with a pathway leading to it, surrounded by desert vegetation and a clear sky.
A large, ancient stone structure with a modern metal roof.
A rock formation with a metal shelter in the background.
A desert landscape with a prominent rock formation and a tent in the foreground.
A wooden building with a sign reading "Marmot Tavern."

Stay near popular Pinal County attractions

A botanical garden with glass greenhouses, white structures, and a clear blue sky.

Biosphere 2

9.2/10 (146 reviews)
Tour a jungle, desert, savanna grassland, mangrove wetlands and an ocean, all housed under one roof in the desert.
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