1. Praca Quinze de Novembro is a historic square located in the city center of Rio de Janeiro. It is known for its historical significance, dating back to the 18th century when it was the site of many important political events and ceremonies. Today, it is surrounded by grand buildings, including the Imperial Palace, the National Library, and the Church of the Third Order of Carmel. Visitors can enjoy the beautiful architecture and landscaped gardens of the square, as well as the many street vendors and musicians who often perform there.

2. Praca Quinze de Novembro is open to visitors at all times, as it is a public space. There is no phone number associated with the square itself, but visitors can contact the Rio de Janeiro tourism board for more information about the area.

3. There is no ticket required to visit Praca Quinze de Novembro, as it is a public space. To get there, visitors can travel by metro or bus to the nearby Uruguaiana station, which is just a short walk away. It is also possible to take a taxi or ride-sharing service to the square.