Casa de las Conchas, Salamanca, UNESCO World Heritage Site, Castile and Leon, Spain, Europe

salamanca spain architecture heritage tourism historical site travel sightseeing cultural landmark cityscape tourism destination medieval architecture stone facade cultural heritage outdoor urban landscape visitor attraction historical architecture european history landmarks tourist spot city square exploration historical buildings architectural details vibrant colors sunny day plaza mayor local culture spanish history sightseeing tours public square beautiful architecture building exterior heritage site ancient architecture rich history cultural significance outdoor seating community gathering casa las conchas unesco world site