View of the old barracks atop Green Mountain on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

barracks ruins historic site tropical volcanic island exploration nature landscape greenery architecture heritage travel adventure remote location old structures abandoned buildings moss stone walls wildlife hiking scenery lush relics weathered unique historical significance preservation solitude breathtaking views outdoor activity hidden gems military history remnants discovery culture tourism eco tourism environmental beauty ancient paths natural beauty ecological diversity tranquility local flora vegetation old