Millennium Park, a world-renowned urban park in Chicago, USA, is highly accessible, featuring paved pathways, ramps, and public transport links, making it suitable for all visitors including those with mobility challenges. It's excellent for both solo exploration due to its self-explanatory iconic art installations like Cloud Gate and Crown Fountain, and guided visits which offer deeper insights into its architecture and design. The park is open year-round with free entry to most attractions; however, some features like the ice rink and concert pavilion have seasonal operations. A typical visit duration ranges from 2 to 4 hours to explore the main highlights. The cost is primarily free, though parking in downtown Chicago can be expensive, and some special events may be ticketed. It's best visited during weekdays or early mornings to avoid crowds and connects to other major parks.