"A unique architectural and historical hybrid that began as an original mosque and was later converted into a Catholic cathedral while retaining much of the original Muslim structure; guided tours are recommended to understand how the building evolved across centuries and to appreciate the layered cultural influences visible throughout the site. Visitors are advised to purchase tickets online in advance to ensure entry." - Lydia Mansel Lydia Mansel Lydia Mansel is a writer with more than eight years of experience editing and writing for both brands and online publications—with a particular focus on travel, fashion, and lifestyle. She’s also the founder of the travel site justpacked.com. Travel + Leisure Editorial Guidelines