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

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.

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

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 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. 

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

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

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

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

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

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

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.

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

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

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.

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

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. 

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

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.