May Day Celebrations in Long View Park, Rock Island, Illinois, c.1907-1914.
The Longview Park Conservatory and Gardens (39 acres) is a city park with botanical garden, located at 1300 17th Street, Rock Island, Illinois. It is open daily without charge.
The park includes a conservatory, greenhouse, flower gardens, playground equipment, picnic shelter, volleyball, outdoor ice-skating, tennis courts, and walking paths.
Coordinates: 41°29′42″N 90°34′27″W / 41.4951°N 90.5743°W