+100% Theming bonus when all slots is filled. +1 Diplomatic Victory point. After construction, if you do not create a religion and you have a major religion, your cities receive an additional bonus of Follower Belief of your major religion; if you already have a religion and adopts all beliefs, allow you to choose one additional Founder Belief and one additional Enchancer Belief for your religion.
Must be built on a Hill or a Mountain tile.
+2 Tourism
+1 extra per Era that you've advanced past this Wonder's era