The Chicago Botanic Garden opened a little more than 40 years ago as a beautiful place to visit, and it has matured into one of the world's great living museums and conservation science centers. Each year, nearly one million people visit the Garden's 26 gardens and four natural areas, uniquely situated on 385 acres of land on and around nine islands. Six miles of shoreline extend along 81 acres of water, including the Great Basin, North Lake, and Skokie River Corridor.