The city known for its extensive park systems in the USA is Chicago. Famous for its Lakefront Trail and numerous parks, such as Grant Park and Lincoln Park, Chicago offers a blend of natural beauty and urban life. The city's extensive park systems provide residents and visitors with recreational opportunities, including walking, biking, and various sports. The parks also often host cultural events and concerts, enhancing the city's vibrant community atmosphere. Chicago’s commitment to green spaces contributes to its reputation as a city that values both nature and culture.