Griff and two sturdy farmers recreate the 250-mile cattle drives of the 19th century.
Michael discovers how the railways helped train commandos at Lochailort in World War II.
Neil Oliver searches for sea eagles, recently reintroduced to the island of Canna.
Michael visits the hometown of Robbie Burns and finds out how to make haggis.
Paul Murton travels by train from the foot of Ben Nevis to the fabled Isle of Skye.
Cameraman Charlie Hamilton James hunts for otters on the Isle of Skye.