A locality may acquire pursuant to § 15.2-1800 real property adjoining its parks, land on which its monuments are located, or other land used for public purposes; or real property in the vicinity of such parks, land on which its monuments are located or other public real property, which is used in such manner as to impair the beauty, usefulness or efficiency of such parks, land on which its monuments are located or other public real property. The locality so acquiring any such real property may subsequently dispose of the same, in whole or in part, making such limitations as to the uses thereof as it may see fit.