KC-135E Stratotanker

Historical marker location:

763 Seibert Rd, Scott Air Force Base, Illinois

( Marker can be reached from Seibert Road, 0.7 miles east of Air Mobility Drive (Illinois Route 158).)

56-3611.

Chicago's Lincoln Park Zoo was founded in 1868, making it one of the oldest zoos in the United States. The zoo originally housed a pair of swans, but it has since grown to house over 1,000 animals from around the world.