Away from the beach, you'll find lush green parks full of colourful tropical birds, spectacular caves with ancient wall - paintings and some fascinating attractions. (thomascook.com)
Today Belize has the most spectacular caving system in the world. (ambergriscaye.com)
On the tropical island of Borneo, some of the most spectacular caves in the world also hold a piece of an ongoing climate puzzle. (scientificamerican.com)