A new horticultural experience is flourishing in the Netherlands - and you could be one of the first to experience it. Take a fascinating step into the green future at the International Horticultural Expo, Floriade - a once-every-decade experience - where the theme is ‘Growing Green Cities’. Back in the present day, you’ll cruise along the Dutch waterways, stopping in crooked and quirky Amsterdam, magnificent Cologne and the romantic windmill-dotted marshlands of Kinderdijk.