A river in Colombia turns different shades of colour in a natural display that happens nowhere else on Earth. Just east of the Andes, central Colombia’s Caño Cristales is a river like no other.

It can be all too easy to heap accolades upon Oregon’s most beautiful places, but this time we really, seriously mean it. The ...

The river is 146.6km long, and the ravine is 1333m deep. The Drina Tara Rafting Club says it is "the most beautiful canyon in ...