With 43,000 hectares of pristine tropical rainforest, The Danum Valley is one of the largest areas of protected rainforest in Malaysian Borneo. Home to all manner of weird and wonderful wildlife, this is a must-do for any wildlife enthusiasts. Notably, the valley is one of the few remaining natural habitats of the orangutan, so spotting one of these majestic creatures in the wild is truly a once-in-a-lifetime opportunity.

Visit the Bornean Sun Bear Conservation Centre in Sabah for a chance to observe the world's smallest bears in their natural habitat. Threatened by forest degradation, illegal hunting and poaching, the centre aims to provide a natural environment suited to their needs and facilitate their rehabilitation back into the wild.

Located in the state of Sarawak, Gunung Mulu National Park is the world's most studied tropical karst area, characterised by dramatic cave systems home to millions of cave swiftlets and bats. There are an impressive seventeen vegetation zones in the park along with the grand Gunung Mulu sandstone pinnacle and one of the largest known caves in the world.