The dunes and lagoon of Sandwich Harbour, just south of Walvis Bay and within the Namib Naukluft Park, Namibia, Africa

Ilha de Tavira, a sand dune island and popular beach, Ria Formosa Nature Park, Algarve, Portugal, Europe

Very old rock formations, Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Zodiac in the Arctic desert in Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Icebreaker in the fog, Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Sandwich Harbour Dunes, Namibia, Africa

Floating iceberg, Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Zodiac in the Arctic desert in Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Low lying fog in Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Zodiac in the Arctic desert in Dunes harbour, Devon island, Nunavut, Canadian Arctic, Canada, North America

Sandwich Harbour Dunes, Namibia, Africa

High sand dunes of the Namib Desert meet the ocean, Sandwich Harbour, Namibia, Africa

A car pictured within the Sandwich Harbour dunes, Skeleton Coast at midday, Namibia, Africa

aerial photo of North Frisian island, Sylt and the town of List, Schleswig Holstein, North Sea, Germany

Sand dunes with toetoe grass, Hokianga Harbour, Northland, North Island, New Zealand

Off-road vehicle and a Black-backed jackal (Canis mesomelas) near Sandwich Harbour, Namib Naukluft National Park, part of the Namibian Skeleton Coast National Park, Skeleton Coast, Namib Desert, Namibia, Africa

Lonely volleyball net on Amoreira beach, Aljezur river estuary, estuary lagoon system, Arrifana fishing port, dunes, Atlantic coast, Amoreira, Aljezur, Portugal, Iberian Peninsula, Europe

Harbor Seal (Phoca vitulina), dormant phase on the beach, North Sea, Duene, Heligoland, Schleswig Holstein, Germany, Europe

Harbor Seal (Phoca vitulina), dormant phase on the beach, North Sea, Duene, Heligoland, Schleswig Holstein, Germany, Europe

Harbor Seal (Phoca vitulina), young, North Sea, Duene, Heligoland, Schleswig Holstein, Germany, Europe

Dune landscape at Hokianga Harbour, Opononi, North Island, New Zealand

Landscape with sand dunes on Hokianga Harbour, Opononi, North Island, New Zealand