Where are some of the best Gardens of Europe located?

Tivoli in Copenhagen, Denmark-this landmark dating back to 1843 boasts over 20 acres and 160,000 flowers located in the center of town and skillfully mixes together its landscaping with an amusement park complete with a Ferris wheel. See www.tivoligardens.com
The Keukenhof is in between the towns of Hillegom and Lisse in the Netherlands. This 32 hectare park is the world’s largest flower garden boasting attendance above 800,000 people during its 8 weeks of opening from late March to May. See www.keukenhof.com or email info@keukenhof.nl for more info.
The Royal Botanical Gardens in Key, Richmond, Surrey (west London). Open daily with fee entrance. See www.key.org