The Round Tower

The round tower was built by Christian IV in the seventeenth century, and is about 34 meters high. It was built without stairs at all, as the top can be reached through a long spiral ramp that passes through the center of the tower, and provides one of the most beautiful views On the city, many visitors come to see this unique archaeological landmark, so that many emerging astronomers and visitors go to it to stare at the starry night sky.