Saint Isaac's Church is quite special, the church is located on the quiet Neva line. The architecture of St. Isaac's Church is considered an architectural museum - the famous art of Saint Petersburg. The church is ranked 4th in the world compared to other churches. From the foot of the church to the top of the tower, it was measured up to 101 m. It is the architecture as well as the objects inside the church that Saint Isaac's Church is considered as a great museum and architecture of mankind. Inside the church, there are 3000 paintings made by craft. These paintings are assembled from small pieces of stone together. Those are wonderful works. In the overall architecture of the church, the cathedral's dome is made of pure gold. Approximately 100 kg of gold is estimated.