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Former champion jump jockey and two-time Grand National winner Richard Dunwoody, travel writer and adventure traveller Jonny Bealby and journalist Christina Lamb join for this family event to talk about their journeys to some of the most dangerous and inhospitable parts of the world, including Antarctica and Afghanistan.

What is the excitement in exploring parts of the world many of us will never see, how do they cope with the dangers, where do they find the mental strength to push themselves to the limit in the toughest and most extreme circumstances? And what did their journeys teach them about themselves and life?

Dunwoody is one of the best-known sportsmen of the late 20th century. He was champion National Hunt jockey three times and won the Grand National, the Gold Cup and the Champion Hurdle. He retired from racing in 1999. In 2008 Dunwoody successfully trekked to the South Pole when he and US explorer Doug Stoup became the first people to complete the route that Shackleton tried and failed. He now leads riding holidays for adventure travel company Wild Frontiers and works as a travel photographer.

Bealby is a former sound engineer and member of a rock band, Tin Gods. He has written extensively about his travels in 60 countries for national newspapers and is author of a number of travel books. For a Pagan Song recounts his journey across remote areas of India, Pakistan and Afghanistan in the footsteps of his literary heroes Kipling and Dravot. Running with the Moon tells of his journey around Africa on a motorbike. Bealby founded the Wild Frontiers adventure travel company in 2002.

Lamb is foreign affairs correspondent for The Sunday Times and a five-time winner of Foreign Correspondent of the Year. She was named Young Journalist of the Year in the British Press Awards in 1988 for her despatches with the Afghan mujaheddin fighting the Russians. She is author of bestselling books including Farewell Kabul: From Afghanistan to a More Dangerous World and I am Malala: The Girl Who Stood Up for Education and Was Shot by the Taliban.

Here they talk to journalist and former BBC producer Matthew Stadlen, who is a regular interviewer for the Daily Telegraph and has interviewed for the BBC.