napoleon called it the drawing room of europe. galileo demonstrated the first telescope right there in the original bell tower. there's the basilica known as the church of gold and next door the doge's palace where you can almost hear the political scheming that seeped into the walls through the centuries. there may be ghosts filling st. mark's, but most days it is definitely filled with tourists. and the pigeons who love them. ♪ [ camera clicking ] so legend has it that these guys are direct descendants of the pigeons that followed the initial settlers, the ones who were fleeing from the barbarians