When you think of garden, images of rolling green grass and beautiful flowers may come to mind. However, Keukenhof, also known as the Garden of Europe, is in a league all by itself. It is the world's largest flower garden and is situated near Lisse, the Netherlands. Just to understand how big this wondrous garden is, approximately seven million flower bulbs are planted annually in the park, which covers an area of 32 hectares. Check out these awe-inspiring photos.