IDE, there's always reinactment groups and renfairs, though the shoddy outfitting of some Texas SCA groups earned them the name "Knights of Nerf" and jokes like " What's the sound of an SCA forge?" *pull piece of duct tape off roll*. If you can get the costuming, you'd make a great fair character. Other than drawing, film production/acting or writing, I can't think of any active way to reach a semblance of that world.
My recommended passive method is reading. In fact, I just downloaded a copy of "The Wood Beyond the World" written by William Morris in 1913, supposedly C.S. Lewis' inspiration for the Wood Between the Worlds in Magician's Nephew. Lots of good obscure works at the Gutenberg Project website for download.