The Secret Sister gift exchange may look festive, but it's an illegal pyramid scheme that resurfaces every holiday season.

Scientists still have questions regarding the construction methods and the number of workers it took to build the Pyramids of Giza. Despite suffering some damage back in the 12th century, the three ...

The Giza pyramids' alignment with stars is debated; no definitive proof exists. Internal shafts in the Great Pyramid have an unclear purpose, possibly not for stargazing. The pyramids show ...

This story appears in the January/February 2017 issue of National Geographic History magazine. Amelia Blanford Edwards was one of a stream of European travelers drawn to see the wonders of Egypt at ...