O'Conor House

Historical marker location:

736 Chapel St, Ottawa, Illinois

( Marker is at the intersection of Chapel Street and Grafton Street, on the right when traveling west on Chapel Street.)

c. 1921.

architecture houses residential buildings

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.