Ian Marchant travels on the trains that do not appear in timetables to unused stations.
BBC Radio 4 Extra
6/6 Clare Balding walks with Carolyn Savidge in north Somerset.
Rhiannon Adam offers a very personal account of her visit to the remote British territory.
5/6 Clare Balding walks with Matthew Hopwood in Wiltshire.
3/3 Explorers Hugh Thomson and Benedict Allen make the arduous journey to Qoyllurit'i.
4/6 Clare Balding walks in the footsteps of the poet Andrew Marvell.
2/3 Two men and a mule explore the mountains and rainforests of Peru in search of the Incas.
3/6 Clare Balding walks along the Forth & Clyde Canal to the spectacular 30-metre high Kelpies
1/3 Two men and a mule explore the mountains and rainforests of Peru in search of the Incas.
2/6 Clare Balding walks in Windsor Great Park with writer and journalist Bill Bryson.