Salem, Illinois

Historical marker location:

Salem, Illinois

( Marker is on N. Broadway Avenue (Illinois Route 37) north of Boone Street, on the left when traveling north.)

Marker installed: 1986

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.