Religion has always inspired grand structures; cathedrals that touch the clouds, altars that echo with history, and sanctuaries that draw millions. But some churches take things to a whole new level.

People wait to pray at the altar of the National Cathedral in Bucharest, Romania, the largest Orthodox church in the world, with a height of 410 feet and an interior capacity of 5,000 worshippers.

BUCHAREST, Oct 30 (Reuters) - Maria Rusu and her husband drove all night from their hometown of Cluj in western Romania to the capital Bucharest to visit the country's nearly completed national ...