There are 32 Landmarks scattered throughout the world for your viewing pleasure. Most of them involve some kind of impressive statue or sculpture. If you happen upon a skull shaped set of binoculars on a pedestal with green lights at each corner, you have found a landmark viewer. Approach it and press the interact button to be given a rather unique perspective of a nearby landmark.
For every landmark you view, your will receive 10 Fire Tributes. After viewing a landmark, the green lights will turn red, indicating that you've already used it. In addition to the fire tributes, you will gain concept art for the respective landmark you just viewed.