St. Isaac's Cathedral ST PETERSBURG, Russia 4K

Saint Isaac's Cathedral or Isaakievskiy Sobor is a large architectural landmark cathedral that currently functions as a museum with occasional church services in Saint Petersburg, Russia. It is dedicated to Saint Isaac of Dalmatia, a patron saint of Peter the Great, who had been born on the feast day of that saint St. Isaac's Cathedral ST #PETERSBURG, #Russia #4K Peterhof ~ Saint Petersburg Walking Tour