Misty morning on Hoe Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Canoeing on Hoe Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Canoeing on the Louse River, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Kofah (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.

December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. A crater wall separates Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.

Waterfall, Louse River, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Rapids between Mora Lake and Little Saganaga Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Bear Hang, food bag hung between two trees to protect it from bears, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Misty morning, Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Camp on Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Water lilies on the Frost River, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Misty morning, Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Sunset over Malberg Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota, United States of America, North America

Sea walls of the Old City of Akko, Israel

River Blackwater, forms the boundary to Moor Green Lakes nature reserve and border of Hampshire and Berkshire, Finchamstead, Berkshire, England, United Kingdom, Europe

In mid January 2015, a three day period of excessive rain brought unprecedented floods to the small poor African country of Malawi. It displaced nearly quarter of a million people, devastated 64,000 hectares of land, and killed several hundred people. This shot taken from the air on a flight to Makhanga, which two months on, is still cut off by the floods when all rail and road connections were washed away, is looking down on the flood waters still sat on the flood plain, and the devastated farmland.

Lake Mead, Nevada, USA. The lake is at a very low level due to the four year long drought, with the boundary of where the water used to reach, clearly visible.

Lake Mead, Nevada, USA. The lake is at a very low level due to the four year long drought, with the boundary of where the water used to reach, clearly visible.

Looking down from the air onto rice paddies in the Shire Valley, Malawi, Africa.

Female orca breaching in Boundary Pass, Canada-Washington border

Rice fields in Yunnan, China

Thunderstorm over the Orange River, also known as the Orange River, on the border between Namibia and South Africa, Oranjemund, Sperrgebiet National Park, also known as Tsau ǁKhaeb National Park, Namibia, Africa

Thunderstorm over the Orange River, also known as the Orange River, on the border between Namibia and South Africa, Oranjemund, Sperrgebiet National Park, also known as Tsau ǁKhaeb National Park, Namibia, Africa

Orange River, also known as the Orange River, on the border between Namibia and South Africa, sand dunes behind, Oranjemund, Sperrgebiet National Park, also known as Tsau ǁKhaeb National Park, Namibia, Africa

High angle view of tourist on the beach, Cape Cod, Massachusetts, USA

Close-up of a barbed wire fence in a pond

A young water enthusiast carries his canoe on his head while entering the Boundary Waters of Minnesota.

A woman paddles her canoe as the sun rises over the trees on the horizon of the Boundary Waters in Minnesota.

Aerial images of sadnbags on Figure Eight Island beach.

Family Owned Salt Ponds In Sacred Valley Near Urubama, Maras, Cusco, Peru

Yellow Buoy Across The Water With Rocky Shoreline And Ice On Lake, Kananaskis Country, Alberta, Canada

A lifeguard chair on the dock of a tranquil lake at sunrise, Lakeside Bible Camp, Whidbey Island, Washington, United States of America

Family Owned Salt Ponds In Sacred Valley Near Urubama, Maras, Cusco, Peru

A rocky Atlantic shoreline with a wooden fence in a criss-cross pattern lines the shore as the golden sun rises in the distance; Newfoundland, Canada

Breakwater off the shore of Lydgate Beach at sunrise, Lydgate Park; Kapaa, Kauai, Hawaii, United States of America

An opening in the fence onto a white sand beach

A cold winter's day, with white sky and snow on the ground. Mist obscuring trees, Utah, USA

Horses in paddocks on a ranch in the snow at Palouse, Washington, USA, Palouse, Washington, USA

A barn and paddock with fencing in the snow in the Green River Lakes area, Green River Lakes, Wyoming, USA

A woman standing on the waterfront, view to the city over the water in New York City.

An elderly man standing on the seafront walkway looking out to sea, Sea coast, Northumberland, England