Afar Depression in #Ethiopia, a 12-foot-wide hot springs that exists at the junction of three massive tectonic plates. It also sits on top of a volcano. Photographer : Carsten Peter for National Geographic. [In the Afar Depression,] spreading mid-ocean ridges forming the Red Sea and the Gulf of Aden emerge on land and meet the East African Rift. Those circular structures around the pool are made of travertine, which is "a volcanically heated, calcium-rich flow from hot springs.
Sulfuric acid pools in Dallol in the Danakil depression of Ethiopia. The average annual temperature is 94+ degrees fahrenheit. Dallol is one of the areas in the world with the highest concentration of permanently active geysers, and the only volcano in the world on land, that has a crater below sea level. Wikipedia
Abercrombie & Kent's Africa team specialises in Ethiopia Holidays. We handpick local guides all with a passion for Ethiopia. Travel to Ethiopia with A&K and you'll experience the very best that this destination has to offer.
Marble Caves of Patagonia in Chile – Lake Carrera. The lake is on the border of Argentina and Chile, and the caves are located on the side of Chile. The caves are the three main grotto: Chapel (La capillaries), Church (El Catedral) and Cave (Cueva). Visitors can explore the caves on a small boat or kayak, but only after the waters of Lake Carrera calm down and be serene.