The Great Wall of China is one of the greatest wonders of the world. Built to protect the mainland from invaders, it has since become a popular tourist spot. Discover the size of the Great Wall of China and its other interesting features.
There are various monuments and parks around the world that can well be considered as the smallest national landmark based on their type. For instance, the smallest national park in the world is currently the Penang National Park in Malaysia which consists of 1,181 ha. of forest and 1,381 ha. of wetlands.