Detail of a leaf in Niah National Park in Sarawak, Borneo, Malaysia (© Thomas Marent/Minden Pictures)

【April 5 2014】Visit the vibrant rainforests of Niah National Park on the Malaysian side of Borneo and you'll see a whole lot of leaves like this one. The island's tropical climate supports one of the most diverse ecosystems in the world, and the range of flora and fauna here can be staggering. The national park is named for the Niah Caves, which include one of the largest known caves in the world. The Great Cave of Niah is a gold mine for biologists interested in unusual insects and the immense population of bats that call the cave home.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..