Sabah and Sarawak in Malaysian Borneo, in particular, provide a singular opportunity to encounter a variety of species and explore vast rainforests. Visit the Sepilok Orangutan Rehabilitation Centre to get a close-up look at these smart primates. Visit the Kinabatangan River for an exhilarating river adventure. There, you can embark on a river safari to see pygmy elephants, proboscis monkeys, and a variety of unusual bird species. Consider climbing Mount Kinabalu, the tallest peak in Southeast Asia, if you're up for a challenge. It will be an unforgettable hiking adventure that will reward you with stunning vistas and a strong sense of accomplishment.