Veteran underwater cameraman, John Ruthven, talks to us about his book and a lifetime of exploring the deep. He is also a producer of Sir David Attenborough's The Blue Planet, a zoologist, film director, writer, editor and stylist.

This week we're in Kenya talking to safari camp owner, Calvin Cotter, whose family came here from the Great Plains of the Midwest in the years before World War One. 

This week, we're exploring the fraught subject of taking small children skiing for the very first time. We're going to start and end with a warning to listeners: If you want to book a nanny service-inclusive holiday for the coming winter, there is really no time to waste. You need to book right now. 

Le Grand-Bornand is not a name like Morzine or Chamonix that trips easily off the tongue when we mention skiing, but it's typically and traditionally French. 

It's the twentieth anniversary of Arc 1950. The resort began as the idea of Canadian resort developer, Intrawest, creator of Mont-Tremblant in Quebec and manager of some 20 other resorts in North America – from Whistler to Mammoth.  Music: © Barney & Izzi Hardy 

This week we're talking to someone who specialises in creating holidays that are entirely different – taking you to places you probably thought were out of bounds to all tourists. 

We catch up with Rory Dixon who organises skiing-touring trips off a boat in Norway. Music: © Barney & Izzi Hardy 

Jess Isbrecht is a digital nomad who travels full time with her horses.   Music: © Barney & Izzi Hardy 

Harry Mitsidis has travelled to every country in the world, at least twice.  He's the founder of a website called NomadMania. Music: © Barney & Izzi Hardy 

To discover a little of what former Royal Marine, Sam Cox, will experience living alone at -30°C, podcaster Peter Hardy spends time in an industrial freezer. Music: © Barney & Izzi Hardy