The Grand Canyon is pretty much top of the list when it comes to UNESCO's list of most beautiful natural sites. Located in Arizona, USA, the canyon has been out by the Colorado River to nearly m deep which makes it the most spectacular gorge in the world.
Tavurvur Volcano, Papua New Guinea. Tavurvur is an active stratovolcano that lies near Rabaul, on the island of New Britain, in Papua New Guinea. It is a sub-vent of the Rabaul caldera and lies on the eastern rim of the larger feature. Photo by tarotastic