The Seven Sisters chalk cliffs seen from the beach at Birling Gap, East Sussex, England, UK

The Seven Sisters chalk cliffs seen from the beach at Birling Gap, East Sussex, England, UK

Sycamore Gap, Hadrian's Wall, UNESCO World Heritage Site, Henshaw, Hexham, Northumberland, England, United Kingdom, Europe

Sycamore Gap, Hadrian's Wall, UNESCO World Heritage Site, Henshaw, Hexham, Northumberland, England, United Kingdom, Europe

Birling Gap at the Seven Sisters in Sussex, England, United Kingdom, Europe

Sycamore Gap, Hadrian's Wall, UNESCO World Heritage Site, Henshaw, Hexham, Northumberland, England, United Kingdom, Europe

A woman paddles a packraft across Landmark Gap Lake, off the Denali highway, with the Alaska Range in the distance, Alaska, United States of America

A man paddles a packraft across Landmark Gap Lake with the Alaska Range in the distance, Alaska, United States of America

Point of view shot of paddling a pack raft on Landmark Gap Lake near the Denali Highway, Alaska, United States of America

Arizona, Near Page, Landscape of Horseshoe Bend and Colorado River.