Erected over 4,600 years ago, the Pyramid of Djoser in Egypt is considered to be the first pyramid in human history. This ...

A hexagonal prism has six rectangular faces and two hexagonal faces, that is a total of eight faces. Image caption, A pyramid is made up of a polygonal base face and triangular faces that meet at ...

Archaeologists have begun digging for what they think might be a pyramid hidden beneath a hill in Bosnia. Known as Visocica, the 650m (2,120ft) triangular mound, overlooking Visoko, has long been ...