1. Four Corners (Quattro Canti) is a beautiful Baroque square in Palermo, Sicily, Italy. It is also known as the \"Crossroads of the Sun\" and the \"Theater of the Four Seasons\". The square is octagonal in shape and features four buildings that represent the four seasons, four Spanish kings, and four patron saints of Palermo. Each building has three levels with balconies adorned with statues and fountains. It is a beautiful example of the Baroque art and architecture.

2. The Four Corners is open to the public all day and night, but the best time to visit is during the day. There is no admission fee. Phone information is not available as it is an outdoor attraction.

3. You can reach the Four Corners by bus or by taking a taxi. If you are coming from the central train station, it is a short walk away. There is no transportation fee or ticket required for visiting the attraction.