The Pyramids of Egypt, built at Giza during the 4th Dynasty (circa 2680-c.2544 BC) are the oldest of the seven wonders and the only ones remaining intact today.

Thegreat pyramids of Egypt still stand. They were built between 2650 and 2500 BC. Exceptfor parts of the Mausoleum and of the temple of Artemis, they are the only one ofthe seven ancient wonders still standing.

Of the seven wonders of the ancientworld, only the pyramids of Egypt have survived in a form that resembles their originalcondition. The largest of the three, known as the Great Pyramid of Khufu, was madeof approximately 2.3 million blocks of stone each weighing an average of 2.5 tons.Located in Giza on the west bank of the Nile River, near Cairo, the pyramids remainone of the engineering marvels of all time.