2/6 Clare Balding walks with writer Philip Marsden from his home on the River Fal in Cornwall.
5/5 Stanley is determined to continue Livingstone's quest to find the source of the Nile.
4/5 David Livingstone aims to solve the mystery of the Nile's source once and for all.
3/5 Samuel Baker and his mistress Florence go in search of Lake Albert.
2/5 Burton is too weak to travel so Speke heads for the Rusizi River alone.
1/5 Richard Burton and John Speke leave for Africa in search of the source of the Nile.
1/6 Clare Balding walks to the top of the Stiperstones in Shropshire with a men's group.
3/3 AL Kennedy draws a surprising comparison when she visits luxury hotel Chateau Marmont.
6/6 Clare walks the final leg of her journey with Colin Spearman, designer of the route.
5/6 Clare Balding walks from Dent to Sedbergh on her fifth leg of the Dales Way.
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