FlightGear Flight Simulator/2020.3 LTS/Terrain and Vegetation

State of terrain and vegetation visuals: source see note at top of Suggested Custom Scenery in FlightGear wiki.

State of terrain and vegetation visuals in different regions in FlightGear as at early 2020. Not an exhaustive list. Visuals change with 2020.3 minor releases as volunteers contribute work.

Engine feature and content level of terrain and visuals	Regions
Use of recent engine features like overlays and have high resolution terrain	Hawaii Norway Iceland Sweden Finland Mediterranean landscapes (Spain, Sicily, Portugal, southern Italy, Greece).
Areas using partial overlays and developed scenery with high resolution terrain	Switzerland Alps (in many countries) Central Europe Great Britain (England, Scotland,Ireland) Corsica
Well developed areas with regional definitions that predate overlays	Alaska Australia (high resolution terrain) Caribbean Islands, Bermuda South America (lower res terrain) Grand Canyon (USA) California (USA) Mojave Desert (USA) (lower res terrain than Europe) Madagascar (lower res terrain than Europe).
Older engine features, but somewhat recently developed areas	South Africa in places (lower res terrain) Dubai Mediterranean part of Africa (i.e. North Africa)

There are some custom sceneries with work on terrain and vegetation visuals that has not been integrated yet into the automatically downloaded scenery.