Visit Potosí and Cerro Rico

Silver-mining city of candy-coloured houses stacked up a ravine, with streets in tunnels and student minstrels serenading the alleys.

UNESCO silver-mining town folded into an old volcanic caldera.

Explore the historic silver mine in Tarnowskie Gory, a UNESCO World Heritage site with underground tunnels and mining history

Visit the Krzemionki prehistoric flint mines in Poland, a UNESCO World Heritage site showcasing ancient mining techniques and Neolithic history

The gateway to the salt flat, the train cemetery and three-day jeep trips to the coloured lagoons.

The Bolivian shore of Lake Titicaca, a Moorish basilica and boats to the Isla del Sol.

The food capital of Bolivia, the biggest Christ statue in South America and the La Cancha market.

A city built on water with no cars — gondolas, Byzantine mosaics, and getting happily lost in the back canals