Wednesday, Dec. 11, 2024 at 10 p.m. on KPBS TV / Stream now with KPBS Passport + Encore Sunday, Dec. 15 at 10 p.m. on KPBS 2. Uncover the sunken remains of a 4th-century basilica in Turkey. Submerged beneath the waters of Lake Iznik for hundreds of years, the church could reveal crucial insights into the early days of Christianity. Join a team of international researchers as they travel back through time—and grapple with Turkey’s many earthquakes, which could sink the structure deeper at any moment.