John 4:46-48

Once more he visited Cana in Galilee, where he had turned the water into wine. And there was a certain royal official whose son lay sick at Capernaum. When this man heard that Jesus had arrived in Galilee from Judea, he went to him and begged him to come and heal his son, who was close to death. "Unless you people see signs and wonders," Jesus told him, "you will never believe." 

where he had turned the water into wine 
John 2:11  What Jesus did here in Cana of Galilee was the first of the signs through which he revealed his glory; and his disciples believed in him. (see John 2:1-10)

When this man heard that Jesus had arrived in Galilee from Judea 
John 4:3  So he left Judea and went back once more to Galilee.
John 4:54  This was the second sign Jesus performed after coming from Judea to Galilee.

"Unless you people see signs and wonders," Jesus told him, "you will never believe." 
Daniel 4:2-3  It is my pleasure to tell you about the miraculous signs and wonders that the Most High God has performed for me. How great are his signs, how mighty his wonders! His kingdom is an eternal kingdom; his dominion endures from generation to generation. 
Acts 2:43  Everyone was filled with awe at the many wonders and signs performed by the apostles.
Acts 14:3  So Paul and Barnabas spent considerable time there, speaking boldly for the Lord, who confirmed the message of his grace by enabling them to perform signs and wonders.
Romans 15:18-19  I will not venture to speak of anything except what Christ has accomplished through me in leading the Gentiles to obey God by what I have said and done--by the power of signs and wonders, through the power of the Spirit of God. So from Jerusalem all the way around to Illyricum, I have fully proclaimed the gospel of Christ.
2 Corinthians 12:12  I persevered in demonstrating among you the marks of a true apostle, including signs, wonders and miracles.
Hebrews 2:4  God also testified to it by signs, wonders and various miracles, and by gifts of the Holy Spirit distributed according to his will.

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, 
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