The island is immense. It's 1,000 miles long, if you discount a narrow arm of sea that crosses it in the middle, and it contains mountains over 12,00… - David Attenborough

Sinking beneath the waves is a very surreal experience. Your first instinct is to hold your breath. At night, the reef is a ghostly world. Tiny shrimplike creatures dance in the lights. ... with little light, there is a lot less colour. But this is still a magical place.

Many of New Zealand's birds flew here from Australia fifteen hundred miles away across the sea to the west. They started to do so millions of years ago, and they are still doing so today... So, if you know Australian birds, you will recognise quite a lot, particularly those that are relatively recent arrivals.

This City in Ukraine was once Home to almost 50 thousand people. It had everything a community would need for a comfortable life. But on the 26th of April 1986, it suddenly became uninhabitable. The nearby Nuclear Power Station of Chernobyl exploded. And less than in 48 hours the city was evacuated. No one has lived here since