My favorite Conan story by Robert E. Howard is “Red Nails” and I found this amazing look at the possibility that Xuchotl, the walled city in which Conan and Valeria end up, might be based on a real location. Check it out and be just as impressed as I was by this scholarly examination.
Red Nails – The Truth Behind the Classic Story
Barry Reese - Writer of Badass heroes 