Interior of Loggers Lodge, a luxury retreat near Lulea in Swedish Lapland, showing the large central wood-burning stove

The Cabin (designed by architects Cyren & Cyren) suspended in pine trees at the Treehotel near Lulea, Lapland, Sweden.

The Mirrorcube or 'Cube' (designed by architects Tham & Videgard) suspended in pine trees at the Treehotel near Lulea, Lapland, Sweden.

Oil lamps lighting the path to a tent at Namaqua Flower Beach Camp, Namaqua National Park, Northern Cape, South Africa

Hacienda El Porvenir, near Cotopaxi, Ecuador

Tucked into birch trees, Loggers Lodge, a luxury retreat near Lulea in Swedish Lapland, has a traditional red-timbered exterior

Interior of the seasonal Icehotel at Jukkasjarvi in Swedish Lapland, showing the main hall and ice chandelier

Gateway to an old stone cottage on Bodmin Moor, Cornwall, England

Colourful wooden buildings on stilts line the harbour at Telegraph Cove, Vancouver Island, British Columbia, Canada

Camp fire at dusk, Meno a Kwena safari camp, Makgadikgadi Pans National Park, Botswana

A bungalow at Thala Beach Nature Reserve, an ecoresort near Port Douglas on the tropical North Queensland Coast, Australia

Australia, Queensland, Heron Island

Teenagers paddle a see-through kayak across the lagoon at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

Teenagers paddle a see-through kayak across the lagoon at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

Teenage girl snorkelling in the clear shallow waters of the lagoon at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

Teenage children snorkelling in the clear shallow waters of the lagoon at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

Teenage children snorkelling in the clear shallow waters of the lagoon at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

A family use underwater vievers during a reef walk at low tide across the lagoon, or reef flat, of Heron Island on the Great Barrier reef, Queensland, Australia

Teenage children reef walk at low tide across the lagoon, or reef flat, of Heron Island on the Great Barrier reef, Queensland, Australia (MR)

A mother and two children reef walk at low tide across the lagoon, or reef flat, of Heron Island on the Great Barrier reef, Queensland, Australia (MR)

A mother and sun watch the sunset from Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

A young woman walks along the coral sand beach of Heron Island on the Great Barrier Reef, a floatplane moored in the tropical lagoon, Queensland, Australia (MR)

A floatplane on the lagoon (or reef flat) of Heron Island on the Great Barrier Reef, Queensland, Australia

A floatplane on the lagoon (or reef flat) of Heron Island on the Great Barrier Reef, Queensland, Australia

A teenage girl and boy prepare to go snorkelling at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

A teenage girl prepares to go snorkelling at Heron Island on the Great Barrier Reef, Queensland, Australia (MR)

Tourists reef walking at sunset and low tide across the reef flat of Heron Island, Great Barrier Reef, Queensland, Australia

The harbour entrance to Heron Island, a coral cay on the Great Barrier Reef, Queensland, Australia, with the rusted shipwreck of HMAS Protector

A traditional 'Queenslander' home on the banks of the Noosa River, Queensland, Australia

A couple on stand-up paddleboards pass beachfront holiday apartments at Noosa, the Sunshine Coast, Queensland, Australia

Beachfront holiday apartments lining the waterways of Noosa on the Sunshine Coast, Queensland, Australia

Zambia; Livingstone. Grounds and swimming pool at the Zambezi Sun hotel near Victoria Falls.

Sign for the Sydney Harbour Bed & Brekfast located in The Rocks district of Sydney

Compass Point, Nassau, Bahamas