The US's only tropical rainforest.
The only hippos on Earth that swim in the sea, wallowing in lagoons and grazing the beaches of Orango Island.
Forest-savanna mix of mandrills and gorillas.
Liberia's rainforest wilderness.
Cliff path above a wild coast.
Ten million fruit bats darken the sky each November — the world’s largest mammal migration.
North Macedonia's largest national park.
The home of the walking safari.
Spot lemurs in the Andasibe rainforest.
Granite valleys, Turtle Rock and ger camps an hour from Ulaanbaatar — horse-riding country.
Jurassic sandstone massif of canyons, natural swimming pools and ring-tailed lemurs in the south of Madagascar.
The Nile forced through a narrow gorge.
Wales's highest peaks and lakes.
Misty rainforest of golden bamboo lemurs and chameleons.
Forest of razor-sharp limestone, UNESCO-listed.
Trek to the world's second-largest hot lake.
Vast savanna park, UNESCO-listed.
Big Five savanna on Rwanda’s eastern border, restored from near-collapse with lions and rhinos reintroduced.
The Balkans’ largest lake, a national park of water lilies, pelicans and island monasteries.
Canoe past elephants and hippos.
Remote northern savanna park of lions, elephants and giant eland at the heart of a huge protected wilderness.
Zimbabwe's largest game reserve.
Forested dune peninsula, UNESCO-listed.
The "Mountains of the Moon" — glaciers on the equator, giant lobelias and bogs on a multi-day trek towards Margherita Peak.
Coastal park of millions of migrating birds.
The highest peak in Wales — walk up, or take the rack railway.
Walking safaris on the Zambezi floodplain among famously relaxed elephants.
Glacial lakes and a deep canyon.
Savanna park of tree-climbing lions.
Volcanic park of peaks and lakes, UNESCO-listed.
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