Question: What did the first century Synagogue in Nazareth, that Jesus spoke at, look like?

Answer: The traditional location of the synagogue in Nazareth is today known as the Synagogue church, due to it's later and current use as a church. Built, or rebuilt, by the Crusaders (circa 12th century B.C.), over the original Roman period Synagogue, this structure reflects the one most likely visted by Jesus, retaining features of a synagogue prior to the destruction of the temple. The stone certainly creates great accoustics, especially for singing!

Luke 4:16-21 He [Jesus] went to Nazareth, where he had been brought up, and on the Sabbath day he went into the synagogue, as was his custom. And he stood up to read. 17 The scroll of the prophet Isaiah was handed to him. Unrolling it, he found the place where it is written: 18 "The Spirit of the Lord is on me, because he has anointed me to preach good news to the poor. He has sent me to proclaim freedom for the prisoners and recovery of sight for the blind, to release the oppressed, 19 to proclaim the year of the Lord's favor." 20 Then he rolled up the scroll, gave it back to the attendant and sat down. The eyes of everyone in the synagogue were fastened on him, 21 and he began by saying to them, "Today this scripture is fulfilled in your hearing."

Providing additonal evidence that it was built at an older site, an Italian pilgrim to Nazareth in 570 A.D. described the synagogue which was still present at that time.

Read more about the site from the sign featured in the second photo below.