Lake in the Furna do Enxofre, volcanic cave, Caldeira, Graciosa Natural Park, Graciosa Island, Azores, Portugal, Atlantic, Europe

Beach and swimming pools at Furna de Santo Antonio. Pico Island, an island in the Azores (Ilhas dos Acores) in the Atlantic ocean. The Azores are an autonomous region of Portugal. Europe, Portugal, Azores