Halas Hall phone booth?
Double helix wooden staircase!!!
The feature in the Biology Museum is a diorama on the 2nd floor. Here is a panoramic photo of some of the display.
Another view of the double helix staircase.
Correction: Double helix staircase with an elevator.
The Eagle Owl.
Guarding the stairwell.
A walk-through-a-waterfall entrance for the aquarium.
They're alive!