Why Were the Pyramids of Giza Built?

The standard answer is: as a tomb. It is correct, yet unsatisfying because it does not address the real puzzle.

A tomb needs a space for a corpse. For that, a chamber in the rock suffices, and exactly like this, kings before this era and long after were buried. No tomb requires two million stone blocks, a construction period of twenty years, and a structure whose usable area amounts to less than one-thousandth of its volume.

Therefore, the purpose of the Pyramids of Giza cannot be answered with a single word. There are three levels that work together: a burial-technical one, a religious one, and a state-related one. Each explains part of it; all three together explain the structure.

In order then: What was supposed to happen inside, what was the meaning of the shape, and what did the construction do to the land that erected it.

First, the most important caveat. From Giza itself, there are no texts explaining the purpose. The chambers are plain, there is no consecration inscription, and no theological explanation. Everything said about the intention comes from later sources and is projected backward. This is well-founded, but it is a reconstruction.

The Function: A Complex of Five Parts

Let us begin with the concrete. Why was the Great Pyramid of Khufu built, if we look only at its function?

It is the uppermost part of a complex consisting of five components, which had a fixed sequence: a temple by the water, a covered causeway leading up, a valley temple on the east side, the pyramid itself, and a small subsidiary building on the south side. This sequence mirrors a process. The deceased king arrived via the river, was received below, led up, processed above, and finally interred.

Crucially, the complex continued to operate after the burial. In the valley temple on the east side, cult practices were conducted over generations, with their own priesthood, own supplies, and own revenues from assigned estates. A pyramid complex was therefore not a finished construction site, but a permanently operated institution.

Noteworthy is the ratio of effort to usage. The temple where things actually happened is today merely a foundation wall. The structure where nothing happened again after the burial still stands. For the builders, this hierarchy would likely have been reversed: The cult was the living part of the complex; the pyramid was the sealed part.

The pyramid itself was the inaccessible part. After the burial, the passages were closed with ton-weight granite blocks, and no one was ever to enter again. This distinguishes it from a monument: A monument is entered and viewed; this structure was sealed.

The excavation documentation of the complexes makes this structure comprehensible because it records all components in their context, not just the most conspicuous one.

The Shape Itself Is a Statement

Now to the second level, where the shape itself becomes a statement. The purpose of the Great Pyramid of Khufu is not exhausted by housing a corpse.

In the Egyptian creation myth, a hill rose from the primeval waters at the beginning, and life began on this hill. In the sun temple of Heliopolis stood a sacred stone, onto which, according to belief, the first ray of sunlight fell. This stone is considered the model for the pyramid shape, and the small capstones on pyramid peaks bear the same name.

Added to this is an image everyone knows without naming it. When sunlight falls through a gap in the clouds, it forms a slanted surface that widens downward: exactly the silhouette of a pyramid. A smoothed, brightly clad pyramid is thus a version of this view built in stone, a ray of sunlight that has frozen in place.

What good this should be, texts from later royal tombs say. They contain spells intended to protect the deceased king, transform him, and enable his ascent to heaven. The goal is not the preservation of the body, but a transformation: from the dead man, he becomes an effective being that persists among the gods.

The color also belongs to the shape. A finished pyramid was not sandy-colored, but brightly clad and smoothed, so that it reflected sunlight. From a distance, with the sun low on the horizon, the impression would have been accordingly: a glowing surface at the edge of the desert, visible for many kilometers from the inhabited valley. The effort for the outer skin, which came from a different quarry across the river, makes sense against this background.

However, these texts are younger than Giza. Nothing of this is written in the chambers here, as also noted in the official description of the structure. The religious interpretation is therefore deduced from the surrounding context, not read from the structure itself.

The Construction Brought Forth the State

The third level is rarely told and may be the most important: The construction helped bring forth the state that erected it.

To erect a structure of this size, things are needed that did not exist before in this way. One must assign, house, feed, and pay tens of thousands of people. One must collect, store, and distribute grain from across the country. One must operate quarries in Aswan and Tura, build ships, procure copper, maintain tools, and schedule supplies over years. And one must record all of this, otherwise it will not work.

Exactly these structures have been excavated on the plateau. The excavations at the workers' settlement have revealed bakeries on an industrial scale, storage yards, cattle pens, workshops, administrative buildings, and thousands of seal impressions with titles and responsibilities. This is not a construction site; this is a government office.

This leads to a reversal that surprises many. One tends to imagine a finished state deciding to build a pyramid. More plausible is the other direction: The project required an organization that did not yet exist, and in building this organization, the Egyptian central state emerged in the form it maintained for two millennia thereafter.

This interpretation has another advantage: It explains why pyramid building of this magnitude ceased. Later kings built smaller, and after the Old Kingdom, the pyramid form almost completely disappeared as a royal tomb. If the project was primarily an instrument of state formation, it became superfluous once the state was established. A purely religious explanation, by contrast, would have to justify why faith waned, and there are no clues for that.

In this reading, the pyramid is not only the goal of the effort, but also its byproduct. What remained was not just a structure, but an administration that had learned to coordinate an entire country.

Dave Meckler

What the Structure Was Certainly Not

What the structure was not also belongs to the answer, because that is searched for just as often.

What was the Great Pyramid of Khufu certainly not used for? Not as a grain store. This interpretation, widespread in medieval Europe, fails because there is no significant interior space: The ratio of void to mass is less than one-thousandth. A store into which nothing fits is not a store.

Not as a power plant. This notion presupposes components and materials that are not present there, and it explains neither the blocking stones nor the sarcophagus nor the surrounding necropolis.

Not as an observatory in the modern sense. The orientation to the north is precise and achieved astronomically, but that is a construction feat, not an operational purpose. A structure that is sealed after completion is not suitable for observation.

And not as a structure of unknown authorship. The construction sequence, the settlement, the tools, the graves of the participants, and the markings of the building gangs in the relieving chambers all belong to the same epoch and the same patrons.

The pattern behind these interpretations is always the same: They explain a single feature and ignore the rest of the complex. Anyone who looks only at the pyramid can read much into it. Anyone who considers the temple, causeway, boat pits, necropolis, and settlement together cannot.

What the Pyramids Stand For

What do the Pyramids of Giza stand for when all three levels are combined?

Most closely, for the attempt to make a transition permanent. The death of a king was, in this conception, not an end, but a change, and this change was meant to succeed, be secured, and be repeatable forever. The structure is the architectural form of this intention: thought indestructible, oriented toward the sun, with a cult operation in front that renewed the process annually.

That the calculation did not work out is part of the history. The chambers were plundered, the cult ended, the cladding disappeared into other buildings, and the name of the patron was already known only in fragments in antiquity. What remained is precisely what was least intended: the mass.

For the builders, this would presumably have been no comfort. For us, it is the reason why we can talk about it at all.

And perhaps this is the most honest answer to the question of why. Built for an afterlife in the religious sense. Achieved was an afterlife in the literal sense: The structure still stands, and the culture that brought it forth has been gone for two thousand years.

Frequently asked questions

For whom was the Great Pyramid of Khufu built?

For King Khufu, who commissioned it and was to be buried in it. The three small subsidiary pyramids on the east side belonged to members of the royal family.

Were the pyramids really tombs?

Yes. Sarcophagus, blocking stones, mortuary temple, and classification in a long series of royal tombs clearly document this.

Then why so large?

Because the size itself was part of the statement. The shape mirrors the primeval mound and sun ray, and the effort demonstrated the reach of the kingship.

Why are there no inscriptions inside?

Because the decoration of royal burial chambers only arose centuries later. The religious texts come from younger pyramids.

Was anyone found inside?

No. The chambers were empty upon the first documented opening. When they were emptied is unknown.