Points of interest Birthplace of Ernest Hemingway Frank Lloyd Wright Home and Studio Unity Temple, designed by Frank Lloyd Wright Frank Lloyd Wright–Prairie School of Architecture Historic District Ridgeland–Oak Park Historic District Edgar Rice Burroughs homes Oak Park Conservatory Notable people References External links Village of Oak Park official website Visit Oak Park – Official Tourism Site for Oak Park and Western Cook County Illinois Oak Park – River Forest Chamber of Commerce Oak Park Public Library Villages in Illinois Streetcar suburbs Chicago metropolitan area Villages in Cook County, Illinois Populated places established in 1902 1902 establishments in Illinois Sundown towns in Illinois