Canyons and valleys provide vast landscapes for adventurous travelers to explore. Climbers tackle routes up their rocky cliffs. Paddlers float down their flowing rivers. Hikers traverse their blossoming meadows and desert trails. Whether you prefer the view from Earth's highest peak or deepest crevices, find the inspiration for your next trek in this photo gallery of steep and sloping scenery around the globe.
- Nat Geo Expeditions