General Admission tickets must be purchased to participate in the Library Tower Tour.
For those fascinated by the history and human habitation era of Biosphere 2, this tour will allow you to access rarely seen areas of Biosphere 2, including the Biospherian Apartment and Library Tower. Enjoy panoramic views of the Biosphere 2 grounds and surrounding area as you visit the tallest point inside Biosphere 2.
There is no elevator access to areas included in this tour. Guests unable to independently use stairs without the use of a cane, crutches, walking stick, walker, or wheelchair, will not be permitted on this tour.
Please arrive 30 minutes before the tour start time to allow for check-in. Tours start promptly on time and no refunds will be given for late arrivals.