Rotenberg St. Jacob's Church is a remarkable landmark of Rotenberg, built over 170 years and not completed until the end of the 15th century, and the City Hall and the Imperial City Hall are listed as the best ancient buildings in Rotenberg's three major protections. It is the main church of Rotenberg, with two Gothic minarets, and the scale and interior details fully show the extent of Rotenberg's prosperity at the time, as well as the worship and homage of God in the Middle Ages. This is the most important church in the city of Rottenburg, the Gothic building was built in the 14th century. The church has an altar of holy blood, depicting the scene of the Last Supper and allegedly offering the blood of Christ. It is said that this altar preserves a drop of holy blood of Jesus Christ. After the Crusades, the blood was brought to Rotenberg, which became one of the medieval holy sites and attracted more and more pilgrims. Around 1500 the city council decided to make an altar to preserve the blood, a task completed by Tillman Rimenschneider, the altar sculptor of Würzburg, which shows three scenes of Jesus' arrival in Jerusalem, the Gethsemane Garden of the Mount of Olives and the Last Supper. It is one of the most beautiful church altars in Nande. Basic information: ① Attraction location: located north of the city hall, Klostergasse15② Arrival method: 5 minutes walk from the city hall square. ③ Ticket price: 2 euros. Voice guide 2 euros. ④ Opening hours: April to October: 9:00-17:15; January to March, and November: 10:00-12:00, 14:00-16:00; December: 10:00-16:45. There are guided tours every Saturday at 15:00. Tips: ① The church itself is average, but there are many wood carvings and altars inside. The altar of holy blood is on the second floor, don't make mistakes. The round glass at the height of the altar is holy blood, but the altar is particularly high, and it is difficult to see clearly with the naked eye. ② It is not expensive to enter the church to visit. Although it is not expensive, it is one of the few churches in Germany that have to be charged.