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The city walls were built 1503-22 with nine gates (of which only Gate of Dawn survives) and this artillery position. It's now a museum of the city's military history.
© OpenStreetMap contributors
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.
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.
Just north of the Gate of Dawn (indeed serving as the entrance to get up to the gate's Virgin Mary icon) is a Roman Catholic church popular with worshippers also outside mass, completed in 1650.
This is about tableware rather than cuisine.
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.
Part of a Ukrainian Greek Catholic monastery, and mostly built in the early 17th century.