Municipality in Ilocos Sur, Ilocos, Luzon · 10 barangays
An extensive stretch of cream-colored sand running to Biak na Bato (Mapisi Rock), a rock formation marking the boundary with the town of Santiago. There is a marker commemorating a clandestine US submarine shipment of weapons to anti-Japanese guerrillas in …
San Esteban's main Roman Catholic church, built in a Baroque style during the Spanish era.
A stout, Spanish-era watchtower meant to guard against pirates and foreign invaders from the South China Sea. The site was declared a National Cultural Treasure by the Philippine government in 2015.