The original height of the mud-brick Pyramid of Amenemhat I at el-Lisht measured nearly 55 m. The pyramid’s complex was built on two levels, unfortunately now mostly destroyed. It was similar to the Old Kingdom pyramids but smaller. The small limestone blocks which were used to fill its inner core. Ruined Old Kingdom monuments at Giza and Abusir provide a great source for building blocks and materials. Unfortunately, the Mortuary Temple annexed to the main pyramid has also been largely destroyed. To the south of the temple, recent excavations unearthed the Tomb of Vizier Intef-Iker.