Explore what drives the strange science behind places like Canada's Bay of Fundy-where water levels rise as much as 50 feet during high tide, and Alaska's Turnagain Arm, where 10-foot tall "bore waves" routinely wash in from the sea.
We start at the oldest cliffs of the palaeocontinent Baltica in the Extreme North of Russia atop an ancient mountain now covered in water. From the Urals in the east to the forgotten Tabernas Desert in the west, volcanic landscapes with plants from every climate zone, dolphins and whales will amaze.
The last episode deals with the future of conservation. It begins by looking at previous efforts. The 'Save The Whales' campaign, which started in the 1960s, is seen to have had a limited effect, as whaling continues and fish stocks also decline.