© UK, Scotland, Man walking in green hilly landscape on cloudy day

© USA, California, Footpath with shrubbery

© Close-up of hand holding map

© UK, Scotland, Rear view of man with backpack walking in landscape

© UK, Scotland, Rear view of man with backpack walking in landscape

© Woman giving daughter (6-7) piggyback ride while hiking

© Boy (12-13) doing karate kick

© Family with children (6-7, 8-9, 12-13) hiking

© Family with children (6-7, 8-9, 12-13) hiking

© Boy (12-13) doing karate kick

© Mother with daughter (6-7) hiking

© Mother with sons (8-9, 12-13) hiking

© Teenage girl using mobile phone while standing against blue sky in Olympic National Park at night

© Senior couple hiking

© USA, Utah, Salt Lake City

© Rear view of male hiker photographing river amidst mountains at Sagarmatha National Park

© hiking guide and local naturalist Jeffery Ottmers, explains the flora and fauna and teaches the participants how to track animals

© USA, Salt Lake City

© Excited man jumping over picnic table at field against snowcapped mountains

© Side view of male hiker with backpack photographing while sitting on mountain against sky during sunny day

© Rear view of woman wearing hat sitting on bench in forest

© Mid distance view of female backpacker hiking against mountains and sky during winter at North Cascades National Park

© Hiker kayaking on Lake Powell against canyons

© Paulina Peak in Newberry National Monument, Woman looking at mountains

© Low angle view of confident male hiker running on mountain against blue sky at night