1. Grant Park is a large urban park in the heart of downtown Chicago, spanning over 300 acres. It is home to several iconic attractions and landmarks, including Grant Park Music Festival, Buckingham Fountain, Millennium Park, and the Art Institute of Chicago. The park was originally known as \"Lake Park\" and was renamed in honor of President Ulysses S. Grant in 1901.

2. Grant Park is open year-round, from 6am to 11pm. There is no admission fee to enter the park. For information on phone numbers and other details, visitors can check the official website or contact the park’s administration office.

3. The park is located in the heart of downtown Chicago and is easily accessible by public transportation. Visitors can take the ’L’ train (red, green, or orange line) to the Jackson or Adams station and walk towards the park. Multiple bus routes also serve the park. For those driving, parking is available at several nearby garages and lots, though fees may apply. There are also several bike sharing options available in the area.