Morocco's ancient madrasas -- Bou Inania Madrasa is located in the historic Fes medina and offers a welcome respite from tourist hordes.
Ben Youssef -- An intricately designed ceiling in Marrakesh's Ben Youssef Madrasa. The ancient Islamic school has more than 100 rooms.
Tourist attraction -- Ben Youssef Madrasa is one of Morocco's biggest tourist attractions. It was built during the Marinid dynasty.
Moorish design -- An arch opens onto an atrium at Ben Youssef. Moorish architecture -- which extends as far north as Spain -- is a feature of many of Morocco's ancient madrasas.
Intricate detail -- Layer upon layer of design embellishes the entrance at Morocco's Bou Inania Madrasa.
Abu-al Hassan -- The magnificent façade of Abu-al Hassan Madrasa.
Lesser known -- Isolated and off the tourist map, Abu-al Hassan is an overlooked treasure in the city of Sale.
Bou Inania -- Students studied in groups in the central courtyards of the madrasas, like this one at Bou Inania.
Geometric -- Tight geometrical motifs are a defining feature of the Moorish architecture seen at Abu-al Hassan, Ben Youssef and Bou Inania Madrasa.
Sale -- The old walled city of Sale is perched on the edge of the Atlantic Ocean and its madrasa is often empty of visitors.
Calm -- Despite hundreds of tourists visiting Ben Youssef Madrasa daily, the ancient school has a pervasive feeling of calm.