In Ancient Egypt, every pyramid was topped by a capstone called a pyramidion. Usually made of granite, limestone, or diorite covered in gold leaf to reflect the rays of the sun, they were often ...

I magine a pure white pyramid, capped with gold, 450-feet high and shimmering like a mirage in the Egyptian desert. This is how the only surviving one of the Seven Wonders of the Ancient World, the ...

New York: Fuelling speculation that advanced civilisation once thrived on Mars, NASA's Curiosity rover has found a pyramid-like structure on the Red Planet, media reports said. This image that bears ...