The Great Pyramid at Giza, as the Stonehenge, relies heavily on its alignement toward celestial objects.
Construction: 2560 – 2540 BC
The faces are carefully oriented with the four cardinal positions (greatest misalignment = 5.5′)
Orion was related to Osiris, the god of life, death, and rebirth, in ancient Egyptian mythology.
Thuban was the star then closest to the north celestial pole (it is Polaris now).
*Thuban is the star α-Draconis.