Image of Gunung Gading National Park courtesy of Tourism Malaysia, used with permission.
Having Southeast Asia's second-highest mountain and the world's premier orangutan reserves within one's national boundaries sure helps one's ecotourism cred. Such is the case with Malaysia, which has already gazetted large swaths of the country's territory as national parks.
For more about exploring Malaysia's natural wealth, read our list of national parks in Malaysia. For a more general overview of the region's animals, check out our run-down of Southeast Asia's weirdest wildlife finds.