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Photo: Pudelek (Marcin Szala), CC BY-SA 3.0 via Wikimedia Commons
Baroque RC church completed in 1618. It's been held by various faiths (including a spell as Museum of Atheism) but was re-consecrated in 1991. It often hosts organ recitals.
The Church of St. Casimir is a Roman Catholic church in Vilnius' Old Town, close to the Vilnius' Town Hall. It is the first and the oldest baroque church in Vilnius, built in 1618.
© OpenStreetMap contributors
Varnelis (1917-2020) was an abstract artist who mostly lived in the USA, returning to Vilnius in 1998. His house is now part of National Museum, displaying his studio and works.
Vilniaus rotušė
The present town hall is neoclassical, built 1799. It's used for civic events, and the simplest way to see inside is to attend a concert or similar, which may be free. The square is a venue for fairs, concerts, demos and so on.
Šiuolaikinio meno centras
This has a permanent display of Fluxus artwork plus other rotating exhibitions.
Šv. Nikolajaus Stebukladario palaikų Pernešimo cerkvė
A Russian Orthodox church. Not to be confused with the RC St Nicholas on Šv Mikalojaus.
Small independent museum of city history.
Re-built in 1753 in Baroque / Rococo. It's affiliated to the Monastery of the Holy Spirit and the Convent of Saint Mary Magdalen, with services in Russian.