Valletta and Audiovisual Show: The guided tour through the vibrant streets of Valletta will allow you to discover the beauty and charm of the fortified city of the Knights of St. John in 1566. The tour starts at the Upper Barracca Gardens where you will enjoy breathtaking views of the Grand Harbour. Then the clients will visit St. John 's Cathedral , the main church of the Knights. Go down on to Republic Street, stop by St. George Sqaure infront of Grand Masters ' Palace. After that the group will watch an impressive audio visual show where Malta's history throughout the ages is brought back to life.