Ride the Iron Ore Train

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

Cross one of the Sahara's emptiest expanses.

Rusting steam locomotives abandoned on the edge of the salt flats a century ago — a surreal stop on the way to the Salar.

Neon sulphur pools, salt flats 125 m below sea level and the Erta Ale lava lake — the hottest inhabited place on Earth.

Underground cathedral carved into the tunnels of a working salt mine.

Cathedral-sized salt chambers with an underground lake and Ferris wheel.

Jagged coral pinnacles of the interior.

Take the world's longest train journey from Moscow to Vladivostok