4/4 Julia visits Telford's mighty aqueduct that stretches across the Vale of Llangollen.
Where to buy
3/4 Julia tells how the Kennet & Avon was restored after being given a lottery heritage grant.
2/4 How the Worcester and Birmingham Canal was important to the Industrial Revolution.
1/4 Julia Bradbury walks in the Scottish Highlands and tells the story of Thomas Telford.