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  1. Pyramid - Wikipedia

    Ancient Egyptians built pyramids from 2700 BC until around 1700 BC. The first pyramid was erected during the Third Dynasty by the Pharaoh Djoser and his architect Imhotep.

  2. Pyramids of Giza | History, Location, Age, Interior, & Facts - Britannica

    Jan 1, 2026 · Pyramids of Giza, three 4th- dynasty (c. 2575–c. 2465 bce) pyramids erected on a rocky plateau on the west bank of the Nile River near Al-Jīzah (Giza) in northern Egypt.

  3. Egyptian Pyramids - Facts, Use & Construction | HISTORY

    Oct 14, 2009 · The pyramid's smooth, angled sides symbolized the rays of the sun and were designed to help the king's soul ascend to heaven and join the gods, particularly the sun god Ra.

  4. Great Pyramid of Giza - Wikipedia

    It served as the tomb of pharaoh Khufu ("Cheops"), who ruled during the Fourth Dynasty of the Old Kingdom. Built c. 2600 BC[3] over a period of about 26 years, [4] the pyramid is the oldest of the …

  5. Egyptian pyramids - Wikipedia

    From right to left, the three largest are: the Great Pyramid, the Pyramid of Khafre, and the Pyramid of Menkaure with three queen's pyramids. Famous pyramids (cut-through with internal layout). The …

  6. Addiction Recovery Centers | Pyramid Healthcare

    Founded in 1999 in Altoona, PA, Pyramid Healthcare has since grown into an award-winning behavioral health care provider and a leader in the industry. With over 20 years of experience treating addiction …

  7. The Egyptian Pyramid - Smithsonian Institution

    The largest and most famous of all the pyramids, the Great Pyramid at Giza, was commissioned by Snefru's son, Khufu, known also as Cheops, the later Greek form of his name.

  8. Maslow's Hierarchy of Needs - Simply Psychology

    Feb 6, 2026 · It organizes human needs into five levels: physiological, safety, love and belonging, esteem, and self-actualization. Often visualized as a pyramid, this hierarchy suggests that human …

  9. Pyramid - World History Encyclopedia

    Sep 2, 2009 · A pyramid is a structure or monument, usually with a quadrilateral base, which rises to a triangular point.

  10. Pyramids - National Geographic Society

    Oct 19, 2023 · Ancient Egyptians during the third and fourth dynasties perfected the construction of pyramids as burial chambers for their kings. The Great Pyramids of Giza have been a part of the …