The "treasure ship" that the heroines chase in the 12th Touhou game. An airship/temple mix of some sort, or at least how I imagined it would be. There really isn't any canon design to the ship, so yeah.
Wonderfully drool-worthy. I like how you added the Eastern style sails as well as the Western. Despite how you say you lack accuracy to details, I contend to that fact because you merged the two together really well