Parc de la Tête d'Or Lyon

If you're museumed out, head to this lovely space north of the centre, which provides a green haven for nature lovers and families. Spanning 117 hectares, France's largest urban park was landscaped in the 1860s. It's graced by a lake (rent a row boat), botanic gardens with greenhouses, rose gardens, a zoo and a tourist train. Take bus C1 (from Part-Dieu train station) or bus C5 (from place Bellecour and Hôtel de Ville) to the Parc Tête d'Or-Churchill stop.