9. Keukenhof Gardens, Lisse, the Netherlands
- last year
Keukenhof, the park as it is now known, was established in 1949 by a consortium of bulb growers and flower exporters to showcase their products and support the export industry. The garden opened to the public in 1950 and received 200,000 visitors in its first year. It operates under a charitable foundation of Count Carel De Gaaf van Lynden.