The Osa Peninsula park National Geographic called the most biologically intense place on Earth — tapirs, scarlet macaws and all four Costa Rican monkeys.
Restored park with elephants and lions.
Sandstone arches and rock art in the Sahara.
Glide by dugout canoe through the delta.
Surreal salt pans stretching to the horizon.
Hidden desert waterhole in the Ennedi where camel caravans meet Nile crocodiles.
Travel the mighty river by boat.
Vast savanna park on the South Sudan border, one of Africa's oldest, known for elephants, giraffes and a hard-won conservation comeback.
Shrinking lake at the edge of the Sahel.
Saharan rock art and sand seas.
Africa’s largest canyon, 160 km long and 550 m deep, with a five-day hike along its floor.
Fog-bound desert shore of shipwrecks, seal colonies and dunes dropping into the Atlantic.
Island of alien dragon-blood trees.
Restored park of returning wildlife.
Off-grid dune village of sea lions.
Vast wild scrub-forest frontier.
Bogs, manors and rugged coastline.
Travel the Niger by pirogue.
An 8-km beach with no hotels at all, reached by boat through Jaragua National Park — the wildest sand in the Caribbean.
Bosnia’s oldest park: Maglic, the country’s highest peak, and Perucica, one of Europe’s last primeval forests.
A 165-km, ten-day wilderness trail from the ice sheet to the coast with huts, reindeer and no roads.
Reed-island marshes, UNESCO-listed.
Two-week trek up the Baltoro Glacier to the foot of the world’s second-highest peak.
South Africa's flagship Big Five park.
Vast mangrove delta, home of the Bengal tiger.
Jordan’s largest reserve drops 1,600 m from highland village to desert, with ibex, Bedouin camps and the Feynan eco-lodge.
Tepuis and waterfalls, UNESCO-listed.
Climb the vast flat-topped tepui.
Wind-carved kalut ridges in one of the hottest places ever measured on Earth.
Sail past icebergs, glaciers and penguin colonies.
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