Wall of the Parroquieta at La Seo

The Cathedral of La Seo is, in my opinion, the single most amazing sight in Zaragoza, even more so than the Basilica of El Pilar. While most of the cathedral's marvels are interior, the exterior wall of the "Parroquieta" is a beautiful and eye-catching example of Mudéjar design.

Th wall is covered in criss-crossing arches, geometric shapes, and tiles which weave an immense neo-Islamic web. It's located at the very end of the Plaza de Pilar . Basically, if you're walking to the front door of the Seo, pivot slightly to the left and continue around the corner.