Lacasta preserves a Church worthy of mention, Romanesque of ends of the S.XII, with a few interesting graves opened in the rock, about the same Church: The temple dedicated to San Nicolás de Bari rises on a rocky laundering that from the East dominates the hamlet. It is of the only ship finished in apse of drum and constructed in very well squared good chairs, in that there abound the stonemason's marks (Image 13). His dimensions are approximately of 19 x 10 meters