If you have a few more days to spare and you’re happy to travel 60 miles, check out Gatchina. This place offers plenty to keep you entertained. See the sights beginning with Gatchina Palace, Palace Park and Around the Corner Theater. Located 60 miles away, St. Petersburg is another popular choice. If you swing by, be sure to check out Mariinsky Theatre, C-189 Submarine Museum and Yusupov Palace.