One of only two mosques in Morocco that non-Muslims may enter, this, though I couldn't see any trace of it actually being used these days - I think they might use it on occasional Fridays. It's the Mosque of Tin Mal, the Atlas village which formed the secure stronghold base to many a horrible bunch of rulers, tyrants, and military nutcases over the years - particularly the Almohads. It's a UN World Heritage Site, now, so of course it's quite well preserved and slightly devoid of any life. Still, a brilliant stop in your journey over the Atlas mountains, and definitely a good place to visit if you like reddish brown photographs.