Keukenhof is a Dutch botanical park located near the city of Lisse in South Holland. It is considered the largest bulb flower park in the world, as well as one of the most photographed places ever; it has also been included among the most beautiful floral gardens in Europe. Seven million hand-planted bulbs flourish on an area of 32 hectares. The park is open to the public for only two months, from early spring to mid-May (the 21st to be exact). There are over 4.5 million tulips in 100 different varieties, including daffodils, hyacinths and grape hyacinths.