Vatican City is the smallest and least populous nation in the world, but one of many holiest. By 1929 the necessary currencies of the world, and many of the much less necessary ones, had been again linked to gold price now. It's the most important Gothic cathedral in the world, though it is at the moment unfinished. The Cathedral of Saint John the Divine is the fifth largest Christian church on the planet and the biggest in America. Saint Basil's Cathedral was constructed within the 16th centur...