Rated as the third most diverse suburb of Chicago, Bolingbrook prides itself in its door-to-door diversity, providing a place to live, work, and play for all. iFest Bolingbrook: International Festival of Cultures is a one-day event celebrating our residents and cultures from all over the world. The event highlights many countries showcasing ethnic food, handmade goods and merchandise, international children's activities, cultural entertainment, educational booths, and more!