st. nicholas on a lunch hour.is sister, anthoula katsimatides, told us his remains were never found. >> anthoula katsimatides: i don't have a gravesite to visit. and it's incredibly difficult, because we never buried anything or, you know, said goodbye. >> pelley: what was it about tho your brother? >> katsimatides: with all these buildings and concrete, i think that he felt-- i know... that he probably felt at peace, lighting a candle and just saying a prayer for whatever was going on. >> pelley: those buildings and concrete became the 9/11 memorial, and plans were drawn for a small domed church, the st. nicholas national shrine. ( chanting ) but, as the congregation prayed at the site each year, there were delays, and a budget that quadrupled to $85 million. construction began in 2015. the dome rose a year later. but in 2017, the money from private donations ran out. construction stopped. ( ferry horn ) only faith kept st. nicholas alive, as we discovered 5,000 miles away. ( bells ringing ) on the greek coast, m