Grímsvötn is a volcano in South-East Iceland. It is in the highlands of Iceland at the northwestern side of the Vatnajökull ice-cap. The caldera is at at an elevation of m ft). Beneath the caldera is the magma chamber of the Grímsvötn volcano.
Angel Falls (Salto Ángel) in Venezuela is the world's highest uninterrupted waterfall, with a height of 979 m ft) and a plunge of 807 m ft). The waterfall drops over the edge of the Auyantepui mountain in the Canaima National Park.
Decken Glacier, Kilimanjaro, Tanzania -The glaciers atop Africa's Mount Kilimanjaro may be gone entirely in the next few decades, according to a new study by researchers at Ohio State and University of Massachusetts.