Marine biologist and professional diver Monty Halls is back in the Highlands and Islands of Scotland, living the good life and working as a volunteer wildlife ranger in the Outer Hebrides.

He's busy leading nature treks along stunning white sand beaches, exploring tourist trails into the hills, and setting up nature trails. But serious adventure also beckons, with a two-day boat trip to the islands known as the 'edge of the world', St Kilda. Show less