Best places to visit in Vilnius

Vilnius (Lithuanian pronunciation: [ˈvʲɪlʲnʲʊs]) is the capital of Lithuania and its largest city, with a population of 574,147 as of 2018. Vilnius is in the southeast part of Lithuania and is the second largest city in the Baltic states.
It's 04:57 right now , with clear sky and the temperature of -6.58°C (20.156°F) in Vilnius.