Opened in 1794, the 25-mile Glamorganshire Canal ran between Merthyr Tydfil and Cardiff. This map shows the route the canal took. The above map shows not just the huge scale of the canal ...

This is a city that’s gone from coal to cool, historic to trendsetting. Start where Cardiff did, with a whopping great castle, which rewinds 2,000 years to when Romans built the first fort here.