South America

An Inca royal estate on a knife-edge ridge, built without mortar and abandoned barely a century after it was finished.

A 30 m art-deco figure on Corcovado, struck by lightning several times a year and repaired with its own quarry stone.

Nearly a thousand stone ancestors on the most remote inhabited island on the planet, 3,500 km from the mainland.

275 separate falls in a horseshoe nearly 3 km wide, with the Devil's Throat swallowing half the river.

The world's largest salt flat, so level that a thin rain film turns 10,000 km² into a perfect mirror of the sky.

Granite towers, blue glaciers and wind that regularly exceeds 100 km/h on the classic W trek.

The finches, tortoises and marine iguanas that gave Darwin the shape of natural selection.

One in ten known species on Earth lives here, and the forest generates a large share of its own rainfall.

Granite peaks drop straight into the Atlantic, and the world's largest urban forest sits inside the city limits.

Forty-three kilometres of original Inca paving over a 4,215 m pass, ending at the Sun Gate above Machu Picchu.