Borneo’s caves, opposite in almost every ... drilling and banging at the bottom of a cave—never connected the Clearwater cave system to its neighbor that seemed so tantalizingly close.

Borneo holds many secrets, including titanic trees, giant orchids, and caves where human activity dates back 50,000 years. As the morning mist rises over Borneo's rainforest, wreathing the soaring ...

From there, you can catch a flight to Miri on the island of Borneo, which can cost ... river and then underground through a long cave system known as Clearwater Cave. Then, accompanied by a ...