‘Park project’ means real property, facilities and equipment for parks, including without limitation graded, regraded, graveled, surfaced, drained, cultivated and otherwise improved sites therefor, greenhouses, bandstand and orchestra facilities, auditoriums, arenas, zoo facilities, golf course facilities, clubhouse, tennis courts, swimming pools, bathhouses, horseshoe pits, ball fields, boating facilities, swings, slides, other playground equipment, and other recreational facilities (or any combination thereof).