We visited the Biosphere 2 on a visit to Tucson. At first, given all the negative press we had encountered, we were not intending to go. My husband is an engineer and science is a passion. He wanted to go and I decided I was interested enough to accompany him.
On other trips our forays into scientific venues have been very worthwhile.
The Biosphere 2 was no exception. The tour is fascinating -- with just enough information as well as a self-guided section to keep everyone interested. When we visited there were several families and they all enjoyed their visit. The guide was knowledgeable and kept the tour moving and did not get too bogged down in details. Instead he wisely pointed those interested to materials that they could peruse at their leisure instead.
This University of Arizona facility is certainly underrated and should be on many itineraries!