Paralympic medallist Karen Darke goes on a high-altitude bike ride from Tibet to Nepal.
BBC Radio Scotland
Exploring the unique world of the Culchie.
BBC Radio Ulster
2/2 Musicians Zsolt Bende and Arnie Somogyi conclude their music and food odyssey.
BBC Radio 4 Extra
Simon Reeve continues his journey in Barbados, St.Vincent, Venezuela and Colombia.
7/10 Michael Portillo finds out about the birth of Britain's long alliance with the Portuguese.
13/16 Jon Culshaw revisits his coach trip holiday in Edinburgh and the Scottish Highlands.
5/5 It's back to the chalk paths for Robert Macfarlane, and a ghostly encounter is in store.
BBC Radio 4
4/5 In Spain, Robert contacts Miguel Angelo Blanco, whose walking books can predict the future
3/5 In memory of his late grandfather, Robert treads the pinkish granite of the Cairngorms.
2/5 Robert takes an ancient route across the most dangerous sands in England.
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