Fred Dibnah reveals the genius, the vision and the sheer bloody graft that went into creating some of Britain's greatest national monuments. All six episodes look at Britain's architectural heritage. In 'Mighty Cathedrals' Fred examines the innovations in building techniques which allowed the Normans to build some of the nation's most remarkable cathedrals. 'The Art of Castle Building' has Fred take a look at the castles of the North Wales coastline. 'The Age of the Carpenter' sees Fred learn all about the way that carpenters have used their skills to transform medieval castles into homes. In 'Scottish Style' Fred visits Glamis Castle and learns about the Scottish Baronial Style. 'Building the Canals' has Fred visit Bolton and learn about the construction of the first canals. Finally, 'Victorian Splendour' sees Fred looking at the achievements of architects in the 19th century and discovering the story behind the building of the Palace of Westminster and Big Ben.