In the last Excess Baggage, John McCarthy talks to three inveterate travellers: Sara Wheeler, who has written on Africa and the Antarctic, explorer Benedict Allen who has travelled in Siberia and New Guinea and documentary maker Simon Reeve who has just returned from the Indian Ocean. He asks them why they are driven to explore the world and what is the point of travel.

Producer: Harry Parker.

John McCarthy discusses travel to the African countries of Rwanda, Uganda and to the world's newest country, South Sudan. With his guests, doctor Rob Summerhayes, paramedic Franz Opitz and forensic accountant Benedict Jenks - John finds out what attracts people to visiting a country with troubles past or present. All the guests are sensitive to the highly political issues that are involved in visiting such countries and have wide experience of travel to some of the world's hotspots. All have also spent considerable time in Central Africa developing considerable insight into those countries.

John McCarthy meets the former debutante Meriel Larken who fell in love with Peru and rescued and restored a Victorian steam ship on Lake Titicaca. He is also joined by Chris Smith and Liz Peel who went by canoe through the Bolivian jungle in search of the village of Manchester; and Kung Fu expert Nick Hurst explains why he set off to Malaysia and China to spend time with his grandmaster Sugong.

Producer: Margaret Collins.

John McCarthy explores wildlife travel with naturalist and tv presenter, Mark Carwardine, who has spent thirty years travelling around the world to observe and aid conservation of a huge range of species including whales, tigers, gorillas and sea birds. He is also joined by wildlife travel writer, James Parry, who has made a unique tour of the world's top twenty deserts chosen for their outstanding wildlife and landscape interest - and award-winning wildlife photographer, Andy Rouse, discusses his recent trips to Rwanda in relation to mountain gorillas, and to India to study tigers.

Sandi Toksvig goes to Reykjavik to look at aspects of tourism in Iceland and discovers that the volcanic eruptions and the financial crash there may not have been so bad for the country. As well as reminding the world of its geological attractions the crises have helped Iceland look at its cultural roots like the sagas and....knitting.

Producer: Harry Parker.

John McCarthy takes a look at family travel with novelist Gill Lewis, who has taken her daughters spotting wildlife both abroad and in Scotland and Cornwall and Ben Hatch who toured Britain with his young children. And holiday lettings agent Wendy Shand explains how self-catering holidays can be more child friendly.

Producer: Harry Parker.

John McCarthy meets a writer who followed in the 14th century footsteps of the Black Prince through SW France; an historian who has followed a medieval wine trail through Gascony and a novelist who was seduced by the lure of Lourdes and the Pyrenees.

Producer: Harry Parker.

Sandi Toksvig discusses the 'Wild East' - Russia - with the BBC's former Moscow correspondent, Martin Sixsmith. Actor Michael Simkins relates his adventures on a rail journey from London to Kiev and on to Crimea to visit the former site of the Charge of the Light Brigade at the Battle of Balaklava in 1854 - and author and linguist Anna Shevchenko explains why she believes Ukraine, where she was born, is a 'hidden' country with much to offer the traveller.

Producer: Harry Parker.

Sandi Toksvig hears about medical work abroad from Dr Marie Charles who runs an organisation which places volunteer doctors and nurses in developing countries to impart their skills to local medical workers. She tells of her experiences travelling the world in the course of her work. And dentist Ian Wilson relates how he used his skills to start an oral health programme in Tanzania. Sandi also meets writer and comedian Liz Carr who explains how she went to join the red carpet crowds in Hollywood for the Oscars.

Producer: Harry Parker.

Sandi Toksvig hears about a lost Emperor of India: Ashoka ruled the subcontinent about 2,200 years ago and left many pillars and rocks carved with his edicts. Historian Charles Allen went in search of the legacy of this once great Emperor a journey which took him to some of the remoter parts of the country. Writer Tim Moore and webmistress Cathy Shaw both have an interest in visiting some of the least attractive sounding places in Britain and have made many trips to find out if the reputations of towns like Middlesbrough and Scunthorpe for being undesirable destinations are justified.

Producer: Harry Parker.