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Several synagogues are notable for their multi-colored paintings inside the main hall. Here are a few examples:

1. Dura-Europos Synagogue:

   • Located in Syria, this 3rd-century synagogue is famous for its elaborately painted walls, depicting biblical scenes and various figures. The discovery of these paintings was a significant event in the study of ancient synagogues.
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2. Gwoździec Synagogue:

   • This was a wooden synagogue in Ukraine known for its beautifully painted interior. It was part of the tradition of painted wooden synagogues in Eastern Europe during the 17th and 18th centuries.
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3. Horb Synagogue:

   • Located in Germany, this synagogue had painted ceilings that are among the surviving examples of painted wooden synagogues. Although the synagogue itself is no longer standing, records and images preserve its artistic heritage.
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4. Vilna Shul (Boston, USA):

   • The Vilna Shul is unique in the region for retaining folk art-painted walls. Murals were discovered underneath layers of paint, showcasing a vibrant and colorful art style.
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These synagogues represent significant historical and cultural heritage, illustrating the rich tradition of Jewish art and architecture.