It flourished under the patronage of the Ptolemaic dynasty and functioned as a major center of scholarship from its construction in the 3rd century B.C.E. until the Roman conquest of Egypt in 30 B.C.E., with collections of works, lecture halls, meeting rooms, and gardens.
The Lighthouse of Alexandria was a lighthouse built during the reign Ptolemy II which has been estimated to be 100 meters in overall height and one of the tallest structures on Earth for many centuries.
The Temple of Artemis at Ephesus, also known as the Artemesium, was constructed in the mid 6th century B.C.E. It was located in Ephesus (modern Turkey), and was considered to be one of the Seven Wonders of the Ancient World.
The tunnel is the second known tunnel in history which was excavated from both ends and the first with a geometry-based approach in doing so.
The first, and largest, pyramid at Giza was built by the pharaoh Khufu (reign started around 2551 B.C.).
