Plitvice Lakes National Park, Croatia Emerald forests surround azure waters fed by mountain rivers and streams that cascade over unique mineral deposits that cause the landscape to constantly move and shift.
Canyoneers rappel down in the 'Grlja', the most difficult canyon of Montenegro, in the Prokletije Mountains, Montenegro. Photo: Predrag Vuckovic
Matka (Macedonian: Матка, meaning "womb") is a canyon located west of Skopje, Macedonia. Covering roughly hectares, Matka is one of the most popular outdoor destinations in Macedonia and is home to several medieval monasteries.