Using our Skyrim modding guide , you can get the home of the Nords looking pretty stunning. This video from SkyrimTuner , however, pushes the envelope just about to the limit. Using the RealVision ENB V1.3 Climates of Tamriel mod, paired with Ultra settings and some .ini tweaks, you can see the sweeping forests and soaring peaks as they should be truly appreciated—and only really can be on the PC.
As a word of warning, it unfortunately also features one of the most egregious instances of the Chainmail Bikini Principle I have ever seen. Start it at around the 3 minute mark if you're afraid your eyes might roll so hard that they sever your optic nerve.
According to the video description, this is running on an overclocked i5 with a GTX 680. Certainly in the high enthusiast range, but not quite in astronomical territory.