Just get this! The maps are AMAZING, unique, and even contains multiple genres. These one page dungeons are seriously professional level! If you can't run a short campaign as a GM from a couple of these (especially in fantasy), you should only run fully prepackaged adventures (lame!). All the inspiration you need for hours of entertainment for most fantasy rpgs.
P.S. This is pay what you want but it's huge and deserves something!
[5 of 5 Stars!]