Any city may acquire, purchase and erect all such public buildings as may be required for the use of the corporation and may purchase, acquire, appropriate and own such real estate as may be necessary for public grounds, parks, markets, public buildings and other purposes necessary or convenient for the public good and the execution of the powers conferred in this act; and such buildings and grounds, or any part thereof, may be sold, leased and disposed of as occasion may require.

     When the council shall deem it for the public interest, grounds and buildings for city prisons, workhouses and other necessary public uses, may be purchased, erected and maintained beyond the corporate limits of the city; and in such cases the council shall have authority to enforce, beyond the city limits and over such lands, buildings and property in the same manner and to the same extent as if they were situated within the city, all such ordinances and police regulations as may be necessary for the care and protection thereof and for the management and control of the persons kept or confined in such prisons, workhouses or hospitals.

     The council shall have authority to lay out, establish and enlarge, or vacate and discontinue public grounds and parks within the city, and to improve, light and ornament the same, and to regulate the care thereof, and to protect the same and the appurtenances thereof from obstructions, encroachment and injury, and from all nuisances.