Church of Our Saviour on the Spilled Blood, St Petersburg, Russia. As a ghost, I am looking for a castle to haunt. What about this one? I know it isn't technically a 'castle' but look at its magnificent size! I think it would still be splendid to haunt.
Been there - loved it~ Milan, Italy - Duomo di Milano (Milan Cathedral) . "The cathedral church of Milan, Italy, this Gothic cathedral took nearly six centuries to complete. It is the fourth-largest cathedral in the world and the largest in Italy.