The House of High Welcome

From publisher blurb: This map details a huge building complex in an arid region that is a nexus of trade routes and has bars, restaurants, hundreds of rooms, and other amenities. It is suitable to be used as an outpost on a desert world in a space opera sci-fi game, a refuge in a desert land set on a fantasy world, or part of the Martian landscape in Pulp and Steampunk games.