10 surprising facts about Egyptian pyramids 

The Red Pyramid Was Egypt's First True (Smooth-Sided) Pyramid.

The Three Giza Pyramids Are Aligned.

The Pyramid Texts Are the Oldest Known Religious Texts in the World.

Climbing the Great Pyramids Is Forbidden.

The Pyramids Were Actually White.

The Last of the Egyptian Pyramids Was Made from Mud Brick

Pyramids Had a Secret Chamber Where the Deceased’s Soul Rested