: Most third-party scenery and "ortho" (satellite imagery) mods require this base global mesh to function correctly. Cons

X-Plane 11 Global Scenery DLC provides the essential high-resolution terrain data required to fly across various regions of the world. Without these specific DLC packs installed, your flight simulator will only display water or low-detail terrain outside of the default demo area (usually Seattle). X-Plane.Org Forum Official DLC Scenery

While not a traditional DLC bought on a storefront, Ortho4XP is the gold standard for "best" scenery. It replaces generic textures with real satellite imagery.