The Hexagons - Giant's Causeway, interlocking basalt columns, the result of an ancient volcanic eruption. Located in Northern Ireland, it was declared a World Heritage Site by UNESCO in Photo by Thomas Mader.
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.