Walk on the Douro

The Co-cathedral of San Pedro (Spanish: Concatedral de San Pedro) is a medieval building located in Soria, Spain. It is in the Roman Catholic Diocese of Osma-Soria.

The Monastery of San Juan de Duero (Spanish: Monasterio de San Juan de Duero) is a ruined, medieval monastery located in Soria, Spain. It belonged to the Knights Hospitaller.The building has been protected since 1882 and is a Bien de Interés Cultural.

The Church of San Nicolás de Soria (Spanish: Iglesia de San Nicolás) is now only ruined remnants of a Romanesque-style, Roman Catholic, former church located in Soria, Spain. It was declared Bien de Interés Cultural in 1962.Part of the apse and some side walls remain: in 1858, the nave roof was brought down.