Koopa Kingdom is the Bowser's domain as well as the home of the Koopalings, homeland of the Koopa species, rival kingdom of Mushroom Kingdom, and is the final world in Mario's adventures. The geography is extremely volcanic, some areas being wastelands, volcanos, lava rivers and largely untouched by sunlight. This country was defended by the military forces of Koopa Troop with large numbers of tanks and airships patrol these lands to be defeated by Mario and Luigi. Shown in the Yoshi series, Bowser is ruler of the Koopa Kingdom since childhood and is located to Dinosaur Land.