Ride the Copper Canyon railway

UNESCO-listed alpine railway over the Bernina Pass from Chur to Tirano.

Switchback railway descending a near-vertical Andean wall at Alausi.

Italian-era steam railway to the highlands.

Europe’s mightiest river gorge, with the giant rock face of Decebalus opposite.

Seven hours of tea plantations, waterfalls and the Nine Arches Bridge from an open train door — often called the world’s most beautiful railway.

Narrow-gauge railway round the island.

Four hours drifting past the karst peaks on the back of the 20-yuan note, with cormorant fishermen and water buffalo on the banks.

The world’s highest paved international road, Islamabad to Kashgar.