The term "park property" includes all parks, squares, and areas of land within the management of said Board; and all buildings, improvements, walks, drives, trees, plants, flowers, and other things thereon, and enclosures of the same; and all shade trees, shrubs, or plants on streets or thoroughfares; resting places, public grounds, or the like; and all birds, animals, or curiosities, or objects of interest or instruction; all tools or implements placed in or on any such enclosure.