Climbing the Mt. Whitney Trail in the California Sierra's, Mt. Whitney, California, USA

Hiker at Viewpoint Overlooking Goblin Valley State Park, Utah, USA

Surfer Riding Wave, Piha, Auckland, New Zealand

Tourists at Cathedral Gorge in the Bungle Bungles, Purnululu National Park, Australia

Cyclist on Dirt Road in Countryside Near Kapunda, Barossa Valley, Australia

Overhead of Trekkers Descending Ben Hope to Valley, Strathmore River Valley, United Kingdom

Surfers Catching a Wave, Santa Cruz, USA

Hiker in Silhouette Near San Pedro De Atacama, San Pedro De Atacama, Chile

Hiker on Edge of Cliff, El Morado National Park, Chile

Diving Near the Shipwreck Mv Capt Tibbets off Cayman Brac, Cayman Islands

Diving to Inspect a Giant Sponge, Bloody Bay Wall, West End Point, Cayman Islands

Mountain Bike Racer, Cycling Down Slope, Australia

Cyclist on Road from Ormaston to Deloraine, Deloraine, Australia

Cyclist, with Great Western Tiers Mountain Range in the Background, Bracknell, Australia

Man Looking into Snow Cave, Maligne, Jasper, Canada

Skier Hurtling Over Cornice with Legs Apart, St. Anton Am Arlberg, Vorarlberg, Austria

Aftermath of Avalanche with Rescue Party, Dog and Handler Searching for the Missing, Austria

Man Riding Horse at Annual Pushkar Mela, Pushkar, India

Hiker Lit by the Setting Sun Overlooking Lake Pehoe, Torres Del Paine National Park, Chile

Spectators Watching Ice Climbing on Glacier Grey, Torres Del Paine National Park, Chile

People Ice Climbing, Torres Del Paine National Park, Chile

People Sliding Down Huai to Waterfall in Khao Phanom Bencha National Park, Krabi, Thailand

Paraglider Above the City, Maribor, Stajerska, Slovenia

Aerial View of Rower Hanalei Valley, Hawaii, USA

Hikers Walking along a Boardwalk at Midway Geyser Basin, Yellowstone National Park, USA

Surfer Entering Surf, Isla De Fuerteventura, Canary Islands, Spain