Bothwell Castle on the banks of the River Clyde in South Lanarkshire, ScotlandCredit: onstride.co.uk Perched upon a steep bank above the River Clyde in South Lanarkshire, Scotland, is Bothwell Castle.

The River Clyde is Scotland's second-longest river and ... A must visit is historic Dumbarton Castle, which boasts the longest recorded history of any stronghold in the country.

The Waverley, which was launched on the River Clyde in Scotland in 1946, visited the Dart as part of a series of sailings around the south coast. Kingswear Castle, which operates on the Dart ...