Also known as the Palais de Culture (Palace of Culture) on the seaside of the medina, the palace was built in 1909 by Er-Raissouli and still stands as a testament to the sumptuous life he led at the height of his power. It has been beautifully restored, but is only open during the Assilah Festival or for temporary exhibitions, although if you can find the caretaker you may be able to persuade him to let you in. The striking building includes a main reception room with a glass-fronted terrace overlooking the sea, from where Er-Raissouli forced convicted murderers to jump to their deaths onto the rocks 30m below.