Hike between medieval tower villages under the highest peaks of the Caucasus.
Three thousand terraced evaporation pools on an Andean hillside, worked by the same families since Inca times.
Climb the iconic volcanic spire.
A 17th-century British fortress on a volcanic hill, the "Gibraltar of the West Indies", with views to five islands.
Sweeping views from the mountain.
Desert massif of oases and Tuareg life.
Basalt peak above the lagoon where runaway slaves hid, now a UNESCO site with a steep, rewarding summit trail.
Fjord-like bay and walled old town.
Balancing rocks and ancient rock art.
Sandstone arches and rock art in the Sahara.
Coffee-clad peaks above Kingston.
UNESCO glacial valley of pastures and trails.
Saharan lakes that defy the desert, UNESCO-listed.
Cliff villages of the Bandiagara Escarpment.
Trail beneath cliff-built Dogon villages and ancient Tellem granaries.
Tepuis and waterfalls, UNESCO-listed.
Jagged peaks and gelada baboons.
One of Europeโs largest castle ruins, sprawled across a travertine hill.
19 historic windmills, UNESCO-listed.
Tobacco fields and limestone hills.
Wind-carved kalut ridges in one of the hottest places ever measured on Earth.
Two-thousand-year-old terraces stepping up the Cordillera like a green amphitheatre โ the "eighth wonder of the world".
NZ's finest day hike, past volcanoes.
UNESCO fjord of sheer walls and waterfalls like the Seven Sisters.
Sheer fiord of waterfalls and peaks.
Port-wine country of terraced vineyards along the river, tasted at the quintas and seen best from a rabelo boat.
Nineteen immaculate garden terraces cascading down Mount Carmel.
Danube stretch of terraced vineyards, apricot orchards and the ruined castle where Richard the Lionheart was held.
Monasteries atop soaring rock pillars.
UNESCO-listed alpine railway over the Bernina Pass from Chur to Tirano.
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