Science

A popular approach to the topic, with amateur articles submitted by users and a picture tour. Embraces both mainstream news stories and amateur theories.

Holger Isenberg presents a simple trigonometric algorithm on this 19th-century idea.

Suggests that the Great Pyramid at Giza was built around a colossal water pump.

Describes the 'secret power' inside the pyramid. Make your own pyramid to test it.

Article written by Stephen Goodfellow. Includes calculations, dimensions, coordinates, letters, and images.

Article explaining that the Giza pyramids are geometric religious art.

Explores the ideas in the book by Robert Bauval, which argues that Giza pyramids were a faithful mimicry of the stars forming the 'belt' in the constellation of Orion.

Debates between authors John Anthony West, Robert Schoch and Robert Bauval (for the "Lost Civilisation" theory), and Chris Ogilvie-Herald and Ian Lawton, the authors of "Giza: The Truth".

Pyramidology blog.

Describes Williams's Hydraulic Theory to the construction of the Great Pyramid of Egypt, otherwise known as Cheops's Pyramid and Khufu's Pyramid. Riddle of the Ages now solved.

An alternative theory of why and how the Giza Pyramids were built.