The wild and special continent of Antarctica - captured by outdoor educator and guide Ewan Blyth. 

The fairy tern is a similar size to a hooded plover - so tiny, it would sit comfortably in the palm of your hand. They lay just two eggs, onto the beach sand. See these remarkable images from Tasmanian-based bird ecologist Dr Eric Woehler.

The triangle-shaped island of Panay is the sixth-largest of the Philippines archipelago, and has an amazing array of landscapes and biodiversity hotspots, including the Central Panay Mountain Range. As the fourth-most populous island of the Philippines, it is also facing conservation challenges.

The aurora australis lights the skies of Southwest Tasmania. The next Dark Sky Sanctuary? Image: Dan Broun

The dusky dolphin is one of the smaller dolphin species with a maximum weight of about 85 kilograms and a length, of just over two metres. The dusky dolphin is a social species, known for its agility and coordinated acrobatic abilities.

The dramatic-looking rockhopper penguin is characterised by its red eyes, upright yellow head feathers along a supercilium stripe and a crest of black feathers on top. They are separated into three sub-species, photographer here by ecologist Dr Eric Woehler (OAM) and located around the Antarctic and sub-Antarctic zones.

Antartica, the Southern Ocean and the sub-Antarctic islands host a rich variety of extraordinary life, including penguins, seals, and whales

Southwest National Park in Tasmania is a vast, mostly trackless wilderness containing ancient forests, the wildest rivers, a glaciated and mountainous landscape and a spectacular coastline with rich aboriginal history.

The two thousand-foot deep red sandstone canyon through Zion National Park is a majestic masterpiece, carved out over ancient time by the Virgin River. Known for its intense seasonal colours and dramatic vistas and established in 1919, Zion is Utah's first National Park.

The winter in Sweden is long, dark and hard. But also incredibly beautiful. 

Bruny Island is an island, off an island, off an island, surrounded by islands. Image: Nick Monk

Snow leopards, golden marmot, markhor, golden eagles, lynx, and other wildlife species frequent the extraordinary region of Chitral & Gilgit Baltistan in Northern Pakistan

The fairy tern is a similar size to a hooded plover - so tiny, it would sit comfortably in the palm of your hand. They lay just two eggs, onto the beach sand. See these remarkable images from Tasmanian-based bird ecologist Dr Eric Woehler.

The aurora australis lights the skies of Southwest Tasmania. The next Dark Sky Sanctuary? Image: Dan Broun

Antartica, the Southern Ocean and the sub-Antarctic islands host a rich variety of extraordinary life, including penguins, seals, and whales

At twice the size of the Great Barrier Reef and more than three times the size of Great Britain, the waters around Christmas Island have been officially recognised as part of Australia’s Marine Parks. Photo: Rohan Newton

The Atlantic Forest is one of the most biodiverse forests in the world including almost 1000 bird species. Here are a few of these birds from photographer Marcio Conrado.

The Scandinavian mountain range, the Scandes, runs through the border between Sweden and Norway. It covers most of Norway and stretches into the north-west regions of Sweden. These mountainous areas form some of Sweden's most remarkable wilderness.

The wild and special continent of Antarctica - captured by outdoor educator and guide Ewan Blyth. 

The two thousand-foot deep red sandstone canyon through Zion National Park is a majestic masterpiece, carved out over ancient time by the Virgin River. Known for its intense seasonal colours and dramatic vistas and established in 1919, Zion is Utah's first National Park.

Bruny Island has an intricate, complex, beautiful and varied coastline, ranging from sheltered inlets, shallow bays, mudflats, lagoons, and grand sea-cliffs, through to long sandy ocean facing beaches.

The dusky dolphin is one of the smaller dolphin species with a maximum weight of about 85 kilograms and a length, of just over two metres. The dusky dolphin is a social species, known for its agility and coordinated acrobatic abilities.

Imagery from the life of Duco, a Brazilian environmentalist, nature and bird-guide who found redemption in nature

Mountains, valleys, alpine lakes and green pastures - the beauty of Chitral & Gilgit-Baltistan.