The parish of Nuestra Señora de la O is a 16th century church, although in the18th , it was almost totally rebuilt.
It has got a Renaissance front, with sculptures of gothic remains and one the lateral façade shows a flowery gothic arch.
In the interior, the naves have some pictures from the 16th and 17th centuries, some of them by Andrés Pérez.
At the main altarpiece, the image of the Virgen de La O is worshipped, and among other objects, worth mentioning is a silver communion chalice donated by Felipe V.
