Hiking in Nitmiluk National Park (formerly Katherine Gorge National Park) is where I learned about heat stress, unfortunately. It's a seriously gorgeous part of Australia full of rainforest gullies, sandstone cliffs and sweeping valley vistas. But it's also...

People flock to Kakadu National Park to spots crocodiles and birds, take Instagram-worthy shots at Gunlom Plunge Pool, cruise Yellow Water Billabong, take a scenic flight over Jim Jim Falls, or learn more about the local Aboriginal rock...