The University of Arizona

Biosphere 2 Discovery Nights

Discovery Nights at Biosphere 2












As seen on KVOA Channel 4 News!

Updated Saturday Night Details…

Each Biosphere 2 Discovery Night will run from 5-9pm and feature:

  • Public Access to B2 at Night (with staff and scientists too!)
  • Food and Activities on the Lawn
  • New Biosphere 2 Passport for Kids
  • QR-Code Scavenger Hunt
  • And More!


Saturday Schedule

October 26 - Halloween Celebration!

- Star Gazing hosted by UA Mt. Lemmon SkyCenter
- Conservation Interpretation with the Phoenix Zoo
- Live Reptiles and Amphibians shown by UA Herpetologists
- Halloween Crafts and Pumpkin Painting (pumpkins available for $1, while supplies last)
- Trick-or-treating for candy (while supplies last)
- Trick-or-treating for Junior Scientist Kit (available for $1, while supplies last)


Please check website regularly as offerings are subject to change.



Overnight Stays

An Exclusive Overnight Opportunity to Complement Biosphere 2 Discovery Nights. When you visit Biosphere 2 during one of our Discovery Nights - you may wish to stay overnight. Whether you're coming in from out of town or simply don't want to drive home after the event, B2 Overnight is a great way to relax and extend your visit so you can enjoy the unique and beautiful location of Biosphere 2.  Learn More!