1/3 Dan Snow investigates the history of the Second World War in Northern Ireland. (R)
3/6 Paul enjoys the delights of a favourite Scots holiday destination - the Firth of Clyde.
2/3 The Nilgiri Mountain Railway is a romantic line, popular with honeymooners. (R)
2/3 Neil Oliver visits Russia, Turkey and Ireland to trace a vast trading empire.
1/3 Stephanie Flanders looks at the life and work of economist John Maynard Keynes.
Wednesday 19 September 2012