Founded in 1958, this giant Pentecostal church, with some 830,000 members, has been based on Yeouido since 1973. A visit during the Sunday services, when tens of thousands pack the circular, cathedral-sized building, is highly recommended. Huge TV screens flank the altar and there’s a 150-member choir and orchestra. The foreigners’ sections, where headphones provide a translation of the service, are on the 3rd and 4th floor in the balcony.