St. Isaac's Cathedral
4, Saint Isaak's Square
+7 (812) 315-97-32

Web:www.cathedral.ru
Years of construction:1818 - 1858
The architect:Auguste Montferrand
Attraction status:Orthodox church, state museum
Operating time:11:00 - 19:00, colonnade 11:00 - 17:00, closed on Wednesdays
Site:Historical center of Saint-Petersburg
Tour duration:2 hours