If you find yourself with a few more days to spare and you’re happy to travel 25 miles, check out Novi Sad. This place boasts plenty to see and do. Petrovaradin Fortress, Danube Park and SNP alone justify the drive. Located 35 miles away, Belgrade is another popular choice. If you stop by, make sure you check out Knez Mihailova Street, Nikola Tesla Museum and Belgrade Zoo.