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:Impaled windshieldFlying DutchmanBird in the SkyToo many legsEyes of the AmazonEscher drawing IRLCargo in the skyFind the black car