reef beacon pharos tower light lens shoal breakwater cove jetty observatory pier windmill monument seashore ship headland ocean blockhouse boathouse wharf harbor schooner port promontory alexandria egypt latakia coast screw thames dowels lake magneto lantern beacons harbour constructed lighthouses landmark headlamp terrace colza substrate headlight built signage erected hangar moored sited enclosure pathfinder viaduct skyscraper keepers spire located replica keeper phare overlooks entrance aquarium chapel seaplane enclosed hatteras overlooking sanctuary tallest marquee aperture newfoundland thailand rebuilt eiffel eddystone statue majestic vessel aerodrome adjacent disused roof flagship quay lodge embankment berthed situated atop floating kea granite townsite signalling seaway spotlight island