A hiker stands inside a glacial cave in Vatnajökull, Iceland.
Every year National Geographic publishes thousands of adventure-focused photographs. We share images of bold athletes testing their limits, beautiful landscapes ripe for exploration, and striking scenes of discovery with our readers—all meant to provide a unique perspective on the world and inspire personal adventure. We've searched back through the many images we published in the last year and pulled together the best of the best. Check out our 22 favorite photos from 2017.
- Nat Geo Expeditions