This document describes three historic monuments in Oviedo, Spain that are related to UNESCO World Heritage Sites. It provides details about the Camara Santa, an 9th century chapel that houses religious relics, La Foncalada, a 9th century public fountain, and the Church of San Julian de los Prados, an early 9th century church considered one of the greatest works of Asturian art. All three sites were declared UNESCO World Heritage Sites in 1998 due to their cultural and historic significance.