The world is filled with wonders that inspire a sense of awe and sheer amazement.
A wondrous red river in southern Spain has become a laboratory for Nasa operations aimed at exploring Mars.
Since its discovery in 1987, the mysterious Yonaguni Monument has been at the centre of scientific debate.
Derya Akkaynak has made it her mission to bring back "true" colours to underwater photography.
The ancient art of extracting purple dye from sea snails.
Scientists are producing stunning images that the human eye can’t see.
Each autumn, around 3,000 families in Kyrgyzstan move into the forest for the world's most unique harvest.
The town with a mysterious human bone cleansing tradition
The Mosquitia Rainforest in Central America is among the world's last untouched wild spots.
How centuries of flooding created one of the world’s largest salt deserts
BEST OF 2019: The Veryovkina cave is the deepest cave in the world, with a record depth of 2,212 metres.
An enigma in the world’s oldest desert.
In this dark and dense forest of Nanacamilpa, a frantic dance of thousands of fireflies creates a dreamlike show.
The crystalline pools of Cuatro Ciénegas are home to some of the earliest evidence of life on Earth.
One of the youngest volcanoes on Earth covered two villages in ashes and lava.
Deep in Patagonia, a shimmering ‘marble cathedral’ hides in a glacial lake.
Every year, a Colombian waterway transforms into a rushing rainbow.
An island of smooth volcanic columns rises from the East China Sea.
Lake Abraham in Alberta, Canada, treats visitors to a spectacular winter phenomenon.
South Africa’s flammable ecosystem is one of the most biodiverse places on Earth.
North Carolina’s thermal inversion and rare sea of clouds.