Quito places two of the world’s most storied UNESCO sites within reach: a colonial city intact since the sixteenth century and the Galápagos Islands, birthplace of the theory of natural selection.

Old Havana’s baroque plazas and Atlantic fortresses stand within the city itself; Trinidad, 330 km east, preserves a complete 18th-century sugar-trade town alongside the ruins of 75 plantation mills.

Rio de Janeiro is itself a UNESCO World Heritage cultural landscape, while the endangered Atlantic Forest and the Baroque gold city of Ouro Preto lie within a day’s reach.

Cusco puts three UNESCO World Heritage Sites within reach: the Inca imperial city itself, Machu Picchu 80 km away, and the vast Qhapaq Nan road network — South America’s densest heritage cluster.

Two UNESCO sites within 90 km of Islamabad: ancient Taxila, a Buddhist city spanning 600 BC to 400 AD, and the never-captured Rohtas Fort (1541). Both reachable as day trips.

Two UNESCO World Heritage Sites are within reach of Karachi: Makli Necropolis, one of the world’s largest burial grounds, and Mohenjo-daro, a 4,500-year-old planned city of the Indus Valley.

Four UNESCO World Heritage Sites are within reach of Isfahan: a Safavid royal square at city centre, a 3rd-century hydraulic engineering marvel, and the twin Achaemenid capitals of Pasargadae and Persepolis.

Jeddah offers access to two UNESCO World Heritage Sites: Al-Balad’s coral-stone merchant houses within the city, and the Nabataean rock tombs of Hegra two hours north by air.

Argentina’s two UNESCO sites reachable from Buenos Aires: Iguazu Falls, the world’s largest waterfall system, and the Jesuit Block and Estancias of Córdoba, a colonial ensemble dating to 1613.

Four UNESCO World Heritage Sites lie within reach of Bogotá — from the Cocora Valley’s towering wax palms to Cartagena’s Spanish fortifications and Tierradentro’s painted underground tombs.