In the town of Sarrat, Ilocos Norte, the Sta. Monica Church stands as one of the most notable landmarks in the province. Known as the largest church in Ilocos Norte, it is especially recognized for the remarkable length of its nave. Built of red bricks in a mix of Earthquake Baroque and Neoclassical architecture, the church complex also includes a convent, a belfry, and a unique brick bridge staircase called the curillo, which connects the church and convent.