Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize

Seagull, Beachy Head chalk cliffs, with Beachy Head Lighthouse in background, South Downs National Park, East Sussex, England, United Kingdom

Kanagawa Prefecture, Japan

Navigation mark, lighthouse

Marinepeilturm lighthouse, Cape Arkona, Ruegen Island, Mecklenburg-Western Pomerania, Germany, Europe