Centuries Old Cannon, Castillo Del San Salvador in foreground, Castillo Morro in the background, Havana Old Town, UNESCO, Havana, Cuba

cannon fortress castillo morro havana old town cuba historical site coastal defense military relic tourism architecture stone wall sea view heritage landmark clouds sky outdoor history culture exhibit nature travel exploration vintage rust ancient detail scenic tranquil environment adventure sightseeing landscape historic tropical rustic peaceful monument waterfront preservation iconic artillery