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

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 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 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.

Bruny Island is a haven for rare and unique birds and animals, and is one of the best bird-watching spots in Australia.

Tasmania's marine environment is globally significant, with a rich mix of ecosystems and habitats fostering marine life found nowhere else on Earth

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.

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

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

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

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 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. 

Bruny Island is a haven for rare and unique birds and animals, and is one of the best bird-watching spots in Australia.

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.

Kunanyi is shaped by ancient dolerite rock formations, sculpted over millions of years by ice, wind and rain. From towering cliffs to scattered boulders and caves, these photographers captures its beauty. 

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 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.

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.

Black Bluff and Winterbrook are two jewels on the north coast of Tasmania. 

Takayna / Tarkine is a hugely diverse wild landscape with an extraordinary history. Largely unprotected this region has huge potential for national park and world heritage status.

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

Bryce Canyon National Park in southern Utah is home to the greatest collection of distinctive spire-shaped rock formations called hoodoos on Earth. Its super-ancient sediment layering dates back to the end of the Cretaceous period, more than 66 million years ago.