A whole town of trulli — conical drystone houses found nowhere else, white and strange in the Puglian sun
Swim among millions of stingless jellyfish.
Futurist petrol station shaped like an aeroplane — icon of Asmara’s modernism.
Underground necropolis carved 5,000 years ago — book far ahead.
Forest of razor-sharp limestone, UNESCO-listed.
Swim at the very edge of Victoria Falls.
Saharan lakes that defy the desert, UNESCO-listed.
The "Manhattan of the Desert", UNESCO-listed.
Island of alien dragon-blood trees.
Ancient Islamic city of 82 mosques, where hyenas are fed by hand at night.
Set eyes on Río Abiseo, the UNESCO park almost nobody may enter — cloud-forest ruins and a monkey back from the dead
Watch the sun rise along the Thirteen Towers of Chankillo, a 2,300-year-old solar calendar in the desert
Fly over the Nazca Lines, giant desert figures etched into Peru's coastal plain two thousand years ago
A chapel decorated with the bones of 40,000 people — chandelier included — beside the Gothic St Barbara’s Cathedral.
White travertine terraces and pools.
Sunken Byzantine reservoir under Istanbul, its columns rising from black water.
Drift between the American and Eurasian tectonic plates in gin-clear glacial water.
Sacred red monolith at the desert heart.
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