1. Vatican City, or Città del Vaticano, is an independent city-state in Rome, Italy. It is the smallest independent state in the world both in terms of area and population. The city-state is the headquarters of the Roman Catholic Church and is home to the Pope. The Vatican is a UNESCO World Heritage Site and is famous for its stunning architecture, including St. Peter's Basilica and the Vatican Museums.

2. The Vatican Museums are open Monday to Saturday from 9:00 am to 6:00 pm, with the last entry at 4:00 pm. On the last Sunday of the month, entry is free from 9:00 am to 2:00 pm, with the last entry at 12:30 pm. The Vatican Museums can be reached by phone at +39 06 69884676.

3. Tickets for the Vatican Museums can be purchased online or at the ticket office on-site. Prices vary depending on the type of ticket and any guided tours included. Transportation to the Vatican is easily accessible by public transport, including buses, trams, and the metro. Visitors can also walk from nearby areas in Rome to reach the Vatican.