St. Thomas' Church in Prague, also known as Kostel svatého Tomáše, is an Augustinian church located in Malá Strana. Originally built in Romanesque style by Benedictine monks, it was later reconstructed in Gothic and Baroque styles. The church features a dome, bell tower, and beautiful frescoes depicting the life of St. Augustine. It is a popular landmark in Prague's skyline and is known for its rich history and architectural beauty.