Many pyramids were known to have capstones at their peak, also known as pyramidions, which were made of limestone, sandstone, basalt or granite. Some may have been covered with plates of copper, gold ...

A digital reconstruction of a Giza pyramid by Australian insurance company Budget Direct. The Egyptian pyramids erupting from the sands at Giza are a testament to human ingenuity and engineering.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For years ...

The Pyramids of Giza are an architectural feat, and long thought a mystery. But the Red Sea Scrolls give an unprecedented look at who built the ancient wonder. Arid conditions at the Wadi al-Jarf site ...

From the glass atrium of the Grand Egyptian Museum, the three great Pyramids of Giza are perfectly framed on the desert horizon. The architects designed it this way; a deliberate alignment connecting ...