Monty ends this series in the Netherlands, where the Rhine becomes a network of waterways. He visits the biggest display of tulips in the world and the busiest flower market.

Monty Don travels along the Rhine to Germany, seeing romantic castles, stunning scenery and gardens, and a park created from disused factories.

Monty travels across Europe along the Rhine, uncovering connections between four countries, their culture and their history through their gardens. He begins at the river's source, high in the Alps.