La Giralda, Seville, Spain

Spain-2-2, originally uploaded by Abhishek's Postcard World.

The Giralda in Seville is one of three remaining Almohad minarets in the world (the others are in Marrakesh and Rabat, Morocco).
The beautiful structure became the bell tower of Seville Cathedral after the Reconquista and it dominates the city's skyline.