1116-49702 - People snorkelling at Shark's Cove on the North Shore, Oahu, Hawaii, United States of America

1116-49198 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49102 - Two people exploring a canyon with ice block inukshuk in winter, Jasper National Park, Alberta, Canada

1116-49701 - Torpedo display and tourists exploring a submarine at Pearl Harbour, Oahu, Hawaii, United States of America

1116-49190 - Tent and packraft on sandy beach on the Charley River, Yukon–Charley Rivers National Preserve, Alaska, United States of America

1116-49197 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49727 - A young couple standing in front of a waterfall on private land on the island of Kauai, Kauai, Hawaii, United States of America

1116-49201 - Man standing in a Slot Canyon known as Canyon X, near Page, Arizona, United States of America

1116-49134 - Sailboat in the Great Bear Rainforest at sunrise, Hartley Bay, British Columbia, Canada

1116-49726 - A young man crouches next to a small stream running through a forest in Upcountry Maui, Maui, Hawaii, United States of America

1116-49679 - Snorkelers getting ready to enter the water from a snorkelling tour boat operated out of Maui, Hawaii. They are located next to the backwall of Molokini Crater which is a volcanic tuff cone, Maui, Hawaii, United States of America

1116-49729 - Young woman in red bikini snorkels over coral reef, Molokini, Hawaii, United States of America

1116-49678 - A Humpback Whale (Megaptera novaeangliae) slips below the surface at Maui not far from onlookers on a paddleboard and a sea kayak near Maui, Hawaii, United States of America

1116-49187 - Female packrafters negotiating a tributary of the Charley River with aufeis in summer, Alaska, United States of America

1116-49671 - Research divers from the MOC Marine Institute map out coral damage at Molokini Marine Preserve off the island of Maui, Hawaii. In the future, data from here will help to determine the health of Hawaii's reefs, Maui, Hawaii, United States of America

1116-49133 - Sailboat in an estuary, Great Bear Rainforest, Hartley Bay, British Columbia, Canada

1116-49082 - A male scuba diver in bright blue water, Makena, Maui, Hawaii, United States of America

1116-49094 - Man exploring an ice cave, South Coast, Iceland

1116-49711 - An aerial view of Balicasag Island, a tiny island in South West Bohol in the central Philippines. It is famous for scuba diving on the deep, vertical walls and there are some fantastic hard coral gardens at snorkeling depths, Balicasag Island, Philippines

1116-49673 - Research divers from the MOC Marine Institute glue broken coral heads back together and map out coral damage at Molokini Marine Preserve off the island of Maui, Hawaii. In the future, data from here will help to determine the health of Hawaii's reefs, Maui, Hawaii, United States of America

1116-49667 - A photographer lines up with a camera in a housing to shoot a large red soft coral fan, Indonesia

1116-49090 - Three people viewing a large frozen canyon waterfall, Jasper National Park, Alberta, Canada

1116-49188 - Female packrafter negotiating a technical rapid on the tributary of the Charley River with aufeis in summer, Alaska, United States of America

1116-49046 - Two teenage girls holding hands as they walk along boulders, Woodbine Beach, Toronto, Ontario, Canada

1116-49669 - Divers exploring the prop and rudder at the stern of The Carthaginian, a Lahaina landmark, that was sunk as an artificial reef off Lahaina, Maui, Hawaii in December 2005, Maui, Hawaii, United States of America

1116-49699 - Torpedo display and tourists exploring a submarine at Pearl Harbour, Oahu, Hawaii, United States of America

1116-49700 - Torpedo display and tourists exploring a submarine at Pearl Harbour, Oahu, Hawaii, United States of America

1116-49728 - Divers on a WW II Corsair fighter plane off Southeast Oahu, Oahu, Hawaii, United States of America

1116-49086 - Silhouette of a scuba diver in a cave, Makena, Maui, Hawaii, United States of America

1116-49189 - Female packrafter relaxing on a mellow stretch of the Charley River, Yukon–Charley Rivers National Preserve, Alaska, United States of America

1116-49676 - A photographer under a massive school of millions of sardines, Moalboal, Cebu, Central Visayas, Philippines

1116-49095 - Man exploring an ice cave, South Coast, Iceland

1116-49713 - A split scene with a shallow hard coral reef below water and island above with the live aboard dive vessel Infiniti, Philippines

1116-49656 - Tourists on the black sand beach at Waianapanapa State Park, Hana, Maui, Hawaii, United States of America

1116-49712 - An aerial view of the live aboard vessel Infiniti for scuba diving off Balicasag Island, a tiny island in South West Bohol in the central Philippines. It is famous for scuba diving on the deep, vertical walls and there are some fantastic hard coral gardens at snorkeling depths, Balicasag Island, Philippines

1116-49675 - Chambered nautilus (Nautilus pompilius) and divers, Palau, Micronesia

1116-49689 - Two girls riding electric scooters down a paved country road, Canada

1116-49668 - A photographer lines up with a SLR in a housing with a macro lens to shoot at tiny crab perched on soft coral, Indonesia

1116-49677 - Divers explore a drop off covered with sponges and gorgonian and alcyonarian coral, Philippines

1116-49092 - Man exploring an ice cave, South Coast, Iceland

1116-49096 - Man exploring an ice cave, South Coast, Iceland

1116-49167 - Safari vehicle drives toward the rising sun shining through the branches of a leafless tree in Katavi National Park, Tanzania

1116-49091 - Man exploring an ice cave, South Coast, Iceland

1116-49148 - A POV of a man riding his mountain bike down the Devil's Pass Trail on a sunny summer day in South-central Alaska, Alaska, United States of America

1116-49135 - Sailboat in the Great Bear Rainforest with a waterfall along the coast, Hartley Bay, British Columbia, Canada

1116-49730 - Three young people free diving over a Hawaiian reef, Hawaii, United States of America

1116-49109 - A girl and boy wading in a shallow river, the girl carrying a basket of flowers and the boy carrying a stick with a jar full of fireflies, Ontario, Canada

1116-49666 - The Malabar grouper (Epinephelus malabaricus) is one of the largest and most common cod found on coastal reefs. It can weight over 300 lbs and reach 4 feet in length, Fiji

1116-49732 - The Backwall at Molokini Marine Preserve drops down to 300 feet. Various reef fish stick close to a crevice here, Molokini, Maui, Hawaii, United States of America

1116-49724 - A young woman with snorkel gear alone on a beach, Cabilao Island, Central Visayas, Philippines

1116-49731 - A young couple free diving in clear water over a Hawaiian reef, Hawaii, United States of America

1116-49735 - A man and his dog on a stand up paddle board in Hanalei Bay with mountains in background, Hanalei, Kauai, Hawaii, United States of America

1116-50446 - Staying warm beside a campfire on the Delta River while watching the aurora borealis on a frigid night; Alaska, United States of America

1116-50447 - Watching the aurora borealis beside a campfire on Jarvis Creek in Delta Junction; Alaska, United States of America

1116-49964 - A black bear (Ursus americanus) cub hanging onto a branch at the top of a tree against a blue sky; Alaska, United States of America

1116-50059 - Mother and father hold the hands of their baby daughter as they stand looking out at the ocean; Maui, Hawaii, United States of America

1116-50272 - Man standing in the Redwood Forests of Northern California. The trees are massive and reach skyward; California, United States of America

1116-50270 - Man standing in the Redwood Forests of Northern California. The trees are massive and reach skyward; California, United States of America

1116-50269 - Man standing in the Redwood Forests of Northern California. The trees are massive and reach skyward; California, United States of America

1116-50058 - Father holds his baby daughter in the air as he stands on the beach next to the ocean; Maui, Hawaii, United States of America

1116-50271 - Man standing in the Redwood Forests of Northern California. The trees are massive and reach skyward; California, United States of America

1116-50448 - An observer watching the aurora borealis points his flashlight into the sky beside a campfire on Jarvis Creek in Delta Junction; Alaska, United States of America

1116-50268 - Man standing in the Redwood Forests of Northern California. The trees are massive and reach skyward; California, United States of America

1112-5735 - Tourists explore a slot canyon in Upper Antelope Canyon, Navajo Land, Arizona, United States of America, North America

1112-5733 - Tourists explore a slot canyon in Upper Antelope Canyon, Navajo Land, Arizona, United States of America, North America

1112-5732 - Tourists explore a slot canyon in Upper Antelope Canyon, Navajo Land, Arizona, United States of America, North America

1112-5734 - Tourists explore a slot canyon in Upper Antelope Canyon, Navajo Land, Arizona, United States of America, North America

832-384275 - Gray wolves (Canis lupus), three young animals at the waterfront embankment, Pine County, Minnesota, USA, North America

1116-48261 - A mother and son taking a ride in a paddle boat on a lake, holding hands and talking together, Edmonton, Alberta, Canada

1116-47891 - Kluane National Park and Reserve viewed from an airplane, Haines Junction, Yukon, Canada

1116-47964 - A woman explores a crevice in a rock, Eagles Rock, Red Mountain Trail, Arizona, United States of America

1116-48616 - A man walks across a grass field with the majestic mountains of Kluane National Park in the background, Destruction Bay, Yukon Territory, Canada

1116-47743 - Female hiker on pathway in a mountain meadow with mountain, blue sky and clouds in the background, British Columbia, Canada

1116-47965 - A woman walks across a log over a tranquil stream in autumn, California, United States of America

1116-49028 - A dense coniferous forest covered in snow with a snowmobile parked in a small clearing, Laax, Switzerland

1116-47293 - Male and female hiker sitting on a rock ridge overlooking a valley and mountain range in Kananaskis Country, Alberta, Canada

1116-48058 - Two giraffes (Giraffa) walking on grass, Kenya

1116-47753 - Female hiker standing on rocky cliff overlooking colourful alpine lake and mountain cliff in the background, British Columbia, Canada

1116-48399 - A woman in a bikini sits on a rock along a tropical coastline, Andaman Islands, India

1116-47426 - Two women packrafting down the Charley River watching and photographing the cliff swallows taking flight in summertime, Yukon–Charley Rivers National Preserve, Alaska, United States of America

1116-48272 - Scuba divers in the Great Blue Hole dive site on the Belize Barrier Reef. This site was made famous by Jacques Cousteau, who declared it one of the top five scuba diving sites in the world, Belize

1116-47700 - Female cyclist along a pathway with rolling hillside vineyards and mist in the river valley, North of Remich, Luxembourg

1116-48942 - Kayaking in Clayoquot Sound, Vancouver Island, Tofino, British Columbia, Canada

1116-47978 - A man stands in a forest among tall trees, Julia Pfeiffer Burns State Park, California, United States of America

1116-48398 - A woman lays on a hammock on a tropical beach with an outrigger canoe moored along the shore, Andaman Islands, India

1116-48946 - Kayaking in Clayoquot Sound, Vancouver Island, Tofino, British Columbia, Canada

1116-48137 - Two young girls walk on the seawall, Vancouver, British Columbia, Canada

1116-47759 - Aerial view looking straight down on a female cyclist on a bridge across a swampy pond with shadow of cyclist, East of Calgary, Alberta, Canada

1116-47662 - A dog wearing a harness walks on the beach at Houghton Bay, New Zealand

1116-48722 - A senior couple hiking with walking sticks on the beach along the coast, Meadow Mist Campground, Graham Island, Tlell, Haida Gwaii, British Columbia, Canada

1116-47482 - A young female tourist stands on a lookout above the Mediterranean coast, Cefalu, Sicily, Italy

1116-48760 - Hot air balloon ride over the sand dunes in the Namib Desert at sunrise, Sossusvlei, Hardap Region, Namibia

1116-48269 - Scuba divers at Joe's Wall Dive Site, Belize Barrier Reef, Belize

1116-47566 - A woman wearing sunglasses and a sun hat looks down at the camera from the deck of a boat against a blue sky with sunlight, Bay Islands Department, Honduras

1116-48707 - Man walking up Thufa grassy dome with fish drying house on top (art installation by Olof Nordal), Reykjavik, Iceland

1116-47977 - A man stands photographing the tall trees in a forest, Julia Pfeiffer Burns State Park, California, United States of America

1116-48621 - Tourist walking over the city wall, Alcudia, Mallorca, Balearic Islands, Spain

1116-47742 - Three female hikers on pathway in a mountain meadow with mountain, blue sky and clouds in the background, British Columbia, Canada

1116-47429 - Two women packrafters negotiating a tributary of the Charley River in summertime, Yukon–Charley Rivers National Preserve, Alaska, United States of America

1116-48192 - A beautiful mom and her two little daughers walking their Great Dane through the woods in a city park on a warm fall evening, Edmonton, Alberta, Canada