Fungus on tree trunk, Pyrddin Gorge, Pontneddfechan, Neath Valley, South Wales, United Kingdom, Europe

Fungus on tree trunk, Pyrddin Gorge, Pontneddfechan, Neath Valley, South Wales, United Kingdom, Europe

Adult fin whale (Balaenoptera physalus) carcass in Holmabukta off the northwest of the Svalbard Archipelago, Norway

Adult fin whale (Balaenoptera physalus) carcass in Holmabukta off the northwest of the Svalbard Archipelago, Norway

Dead Adelie penguin (Pygoscelis adeliae) attacked, killed and eaten by an Antarctic fur seal at Brown Bluff, Antarctica, Polar Regions

Cowpen Bewley landfill site taps off methane from the decomposition of organic waste and feeds it directly into the gas grid, with the gas plant in the background, Billingham, Teesside, England, United Kingdom, Europe

Cowpen Bewley landfill site taps off methane from the decomposition of organic waste and feeds it directly into the gas grid, with the gas plant in the background, Billingham, Teesside, England, United Kingdom, Europe

Cowpen Bewley landfill site taps off methane from the decomposition of organic waste and feeds it directly into the gas grid, with the gas plant in the background, Billingham, Teesside, England, United Kingdom, Europe

Woman looking over the Glen Canyon National Recreation Area from the Hite viewpoint, Colorado Plateau, Utah, USA

Praia Ponta da Piedade near Lagos, Algarve, Portugal

Praia dos tres Irmaos near Alvor, Algarve, Portugal

View from the Hite lookout point over the Glen Canyon National Recreation Area , Colorado Plateau, Utah, USA

Praia dos tres Irmaos near Alvor, Algarve, Portugal

Mesa Arch in the break of dawn, Canyonlands National Park, Utah, USA

Uchisar Castle hill, Cappadocia, Turkey

View from the Dead Horse Point State Park on the Colorado River, Utah, USA

Hiker in the Bryce Canyon, Utah, USA

Rotted trunk, weathered bark, detail shot

Uchisar Castle hill, Cappadocia, Turkey

Mesa Arch in the break of dawn, Canyonlands National Park, Utah, USA

Burgundydrop Bonnet (Mycena haematopus) fungus growing on wood among lichens, Landes, France.