Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-institutions=Chicago%20Zoological%20Society%27s%20Brookfield%20Zoo&f3-institutions=Chicago%20Zoological%20Society%27s%20Brookfield%20Zoo&f2-cities=Brookfield&f1-topics=Natural%20%26%20Built%20Environments::Architecture