Each side of the Great Pyramid rises at an angle of 51.5 degrees to the top. Not only that, each of the sides are aligned almost exactly with true north, south, east, and west. For a pyramid to ...

Truncated and with steep sides, the pyramids left by the long line of Nubian kings populate the desert near the site of Meroë. Rising high in the sky in the modern-day nation of Sudan is a ...