Every year extraordinary discoveries reveal more about our ancient past. But there may be few as fascinating or profound as the recent discovery made in Bosnia, Herzegovina. In 2005, archaeologist Semir Osmanagich –was, visiting a museum in Visoko when he realized, stunned, that a very large hill in the valley had four clear triangular sides, an even-grade slope, obvious corners, and even an apex…. The exact geometry of a pyramid. Official website of the Bosnian Pyramid of the Sun Foundation: http://visit.piramidasunca.ba