A landing station guidance-and-security system can include an environmental cover and/or a guide-and-security bar. In some embodiments, the landing station guidance-and-security system is integrated into a parcel-receiving device. In some embodiments, the landing station guidance-and-security system is configured to attach to a parcel-receiving device. In some embodiments, the guide-and-security bar includes a precision rod. In some embodiments, a drone landing station includes: a magnetic centering mechanism configured to center a drone and/or a package; sliding dovetail doors; a plow bar; at least one roll-up door; a first storage locker; a second storage locker; and/or a solid rear door configured to block access to the second storage locker from the first storage locker when the first storage locker is being accessed by a user.