Great heights Source/credit: Cemal Yıldırım What am I looking at? This is Gülek Castle in Turkey. Perspective is everything. Tourists love using Forced Perspective to make it look like the person is at great heights above the highway. More optical illusions:Lap TigerThe eye of the towerPainting of the OceanA Lego bedCat in the bagHeadless playerGiant in the ForestNot a brick