Koutoubia Mosque is the largest mosque in Marrakech and an iconic landmark of the city. Built in the 12th century, the mosque features stunning architecture with its tall minaret and intricate details. Visitors can admire the exterior of the mosque and listen to the call to prayer, but only Muslims are allowed inside. The mosque is surrounded by beautiful gardens, making it a popular spot for locals and tourists to relax and enjoy the peaceful surroundings.