Mangroves and tidal flats teeming with migratory birds near Libreville.
Vast savanna park, UNESCO-listed.
Misty rainforest of golden bamboo lemurs and chameleons.
Forest of razor-sharp limestone, UNESCO-listed.
Volcanic park of peaks and lakes, UNESCO-listed.
The Balkans’ largest lake, a national park of water lilies, pelicans and island monasteries.
Granite valleys, Turtle Rock and ger camps an hour from Ulaanbaatar — horse-riding country.
Forested dune peninsula, UNESCO-listed.
Jurassic sandstone massif of canyons, natural swimming pools and ring-tailed lemurs in the south of Madagascar.
Wetland park of hippos and birds.
Red-brick castle above the Gauja.
Castles and forests of the Gauja valley.
Rainforest peaks and waterfalls.
Rainforest meeting beach, full of monkeys.
Coast-to-forest reserve of rich wildlife.
The Osa Peninsula park National Geographic called the most biologically intense place on Earth — tapirs, scarlet macaws and all four Costa Rican monkeys.
Maya temples rising above the jungle.
Waterfalls in protected forest.
Climb the world's tallest red dunes.
A "mini Grand Canyon" of red rock.
Karst islets, mangrove channels and Taino cave art.
Elephants beneath Mount Kilimanjaro.
Bogs, manors and rugged coastline.
Pristine rainforest canopy walkway.
Shifting Sahara-like dunes on Venezuela’s Caribbean coast.
Tepuis and waterfalls, UNESCO-listed.
Soda lake of flamingos and tree-climbing lions at the Rift Valley wall.
Jungle safaris for one-horned rhinos and, with luck, a Bengal tiger.
The rocky headland where the Atlantic and Indian Oceans meet, with baboons, ostriches and the Cape Point lighthouse.
Caribbean archipelago of coral cays.
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