The Sinking Bell Tower also known as Laoag Cathedral is located in Laoag City, Philippines. It is believed that the historic tower is sinking at a rate of an inch a year, though no one is completely sure why. HE MYSTERIOUS BELL TOWER OF Laoag City continues to spark the curiosities of people visiting Ilocos Norte, a northern province of the Philippines. Its tale traces a long story of occupation, struggle, and survival—much like the tale of the country’s rise and wane under Imperial Spain.