Religion has long played a central role in the human experience. Organized religion has existed in one form or another from the very dawn of civilization. No matter what one thinks about particular claims made by a specific faith, it is impossible to argue against religion’s importance. Billions of people today organize their lives around religious teachings and consider a variety of places around the world sacred. We’ve put together this list of the world’s most important religious sites. Though necessarily incomplete, these locations are intangible cultural treasures. These are nine of the most important religious sites on Earth.