Giant's Causeway is an area of about interlocking basalt columns, the result of an ancient volcanic eruption. Located in Northern Ireland, the tops of the columns form stepping stones that lead from the cliff foot and disappear under the sea.
Mountain Stream in Torres del Paine, Chile. Torres del Paine National Park is a national park encompassing mountains, glaciers, lakes, and rivers in southern Chilean Patagonia. The Cordillera del Paine is the centerpiece of the park.