3. Bialystoker Synagogue
Bialystoker Synagogue is a New York City landmark built in 1826. It originally served as a church, the Willet Street Episcopal Church, and was converted into a synagogue in 1905, making it the oldest building used as a synagogue in New York City.
You can learn more about the synagogue, such as why there is a lobster on the ceiling and a connection to the mob, here! The synagogue will be open on Sunday for both self-guided and guided tours from 4:30 pm to 5:30 pm.