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.

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 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 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 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.

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.

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

Pelagic birds are birds that spend a large part of their life on the open ocean. These include the majestic Albatross, petrels and terns. This gallery of Pelagic birds by Marcio Conrado was taken off the Tasman Peninsula

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

Dozens of species of native animals frequent the remnant moist gullies and bushland of the Mosman peninsula, from the Eastern Water Dragon to Peron's Tree Frog and the endangered Powerful Owl

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

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

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

Pelagic birds are birds that spend a large part of their life on the open ocean. These include the majestic Albatross, petrels and terns. This gallery of Pelagic birds by Marcio Conrado was taken off the Tasman Peninsula

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.

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.

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

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

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

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