Many of the trails are planked with wood, cutting down on the leech factor, and the lodge offers night wildlife drives to see nocturnal animals like the wide-eyed tarsier.

BBC: Malaysian Borneo on a single circuit

Catching sight of a wolf or a bear requires luck and patience, as they are nocturnal, elusive animals, but you may come across their tracks in the snow or the mud.

BBC: Italy��s wilderness, far from the madding crowds