Church of San Juan de Plan Monument · San Juan de Plan, Sobrarbe, Huesca Church of San Juan Bautista: its original construction dates back to the second half of the 12th century and it was remodelled in the 16th; from the medieval building it preserves the apse, part of the nave and probably the base of the tower. Photo: Juan R. Lascorz (CC BY-SA 3.0) What to see and do in San Juan de Plan