Clifftop village of Riomaggiore, Cinque Terre, UNESCO World Heritage Site, Liguria, Italy, Europe

Vernazza, Cinque Terre, Liguria, Italy

Vernazza, Cinque Terre, Liguria, Italy

Vernazza, Cinque Terre, Liguria, Italy

A hiker traversing a zip-wire (aka flying fox) on the Via Ferrata hike in Snake Canyon, part of Wadi Bani Auf in Jebel Akhdar of the western Hajar mountains in Oman.

A hiker traversing a zip-wire (aka flying fox) on the Via Ferrata hike in Snake Canyon, part of Wadi Bani Auf in Jebel Akhdar of the western Hajar mountains in Oman.

A hiker traversing a zip-wire (aka flying fox) on the Via Ferrata hike in Snake Canyon, part of Wadi Bani Auf in Jebel Akhdar of the western Hajar mountains in Oman.

Hikers doing the Via Ferrata hike in Snake Canyon in Jebel Akhdar of the western Hajar mountains in Oman.

Yosemite National Park, America

photographer Karl Johaentges with backpack and camera bag, vertical stone cliffs, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

chains and planks, vertical stone cliffs, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

vertical stone cliffs, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

Funicular railwayto Castle Hill, Funicular railwayto Castle Hill, Buda, Budapest, Hungary

Highway Winds Through A Rugged Landscape