Unreal Engine 4 now is pretty close to real-time photorealistic graphics on mainstream hardware. It certainly creates a challenge for those producing 3D content, as the output is only as good as the input.
Reddit: This is flat farmland in Eastern Colorado with wind blown/melted patches of snow creating a 3D illusion.
Amazing 3D video from Azeroth
Industrial Light & Magic has created this pretty sweet 3D video from the city of Azeroth in WarCraft. It plays best in Chrome and you can click and drag inside the movie to change view direction.