Each year Windmill Island Gardens hosts approximately 55,000 tourists. The park is open daily from late April until early October, with the most visitors in early May during the Tulip Time Festival. Over 100,000 tulips are planted on the island each year in beautiful gardens filled with flowers summer through autumn. In addition to the windmill, the park includes replicas of several historic buildings in the Netherlands. In the summer months, visitors may also see the klompen dance, traditionally performed by local high school students during the annual Tulip Time Festival.