The ancient civilization known for its mummies is Ancient Egypt. This civilization flourished along the Nile River from around 3100 BC to 30 BC and is renowned for its advances in writing, architecture, and art, as well as its complex religious beliefs. Mummification was a key aspect of their burial practices, reflecting their beliefs in the afterlife. Egyptians believed that preserving the body was essential for the soul's journey after death, leading to the intricate embalming processes that produced mummies. The tombs of pharaohs, such as those in the Valley of the Kings, contain mummies and artifacts that provide insights into ancient Egyptian society and culture.