Plaza Huincul is a gloomy oil town with a reputation for political protest, but its paleontological museum exhibits the partial skeleton of the biggest dinosaur ever to thunder across Earth.

BBC: The dinosaur route of northwest Patagonia

Many earth buildings survive in a serious state of neglect or partial collapse.

BBC: The Hakka earth buildings of Fujian

Since Russia and the U.S. signed a partial test-ban treaty in 1963, their blasts have been deep below the earth's surface.

CNN: ASIANOW - Asiaweek