Wearing scuba gear and hovering upside-down below the frozen surface, can there be any more extreme sport?
Teenager is set on fire before diving five floors into a pile of snow.
Despite warnings of severe temperatures, hundreds of thousands of Russians take ice dips in an annual ritual marking Christ’s baptism in the River Jordan.
But how did they get to landlocked Kurgan region, 2,400 kilometres from the nearest ocean?
Divers brave minus 45C to place a 'New Year Tree' beneath the ice on bed of the mighty Lena River.
Denis Zaychuk kissed girlfriend Anna Panina seconds before he jumped off a 10 metre cliff - and lost his action camera.
Aware of accounts of mysterious relic reptiles lurking in the deep, here are the first pictures from a record breaking dive.
‘I saw 12 ships passing by all on auto pilot, I lost my voice screaming for help’, he said.
They dived into rivers and lakes to celebrate the Orthodox Christian holiday of Epiphany.
Siberian scientists make discovery of 2,500 year old Saka settlement in up to 23 metres of water in Kyrgyzstan.