Lesley Bellew boards Viking's Polar-class vessel Viking Octantis - which offers learning opportunities as well as top-class dining - for a trip around the Caribbean.
Silversea Expeditions - Geographical Magazine geographical.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from geographical.co.uk Daily Mail and Mail on Sunday newspapers.
Sultry Eco-Adventure: Warm-Weather Cruise Destinations luxurytraveladvisor.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from luxurytraveladvisor.com Daily Mail and Mail on Sunday newspapers.