St. Isaac’s cathedral (architectural monument representing late classicism)
The most luxurious and collosal church of St.Petrrsburg. This is the place where baptistm ceremonies of the imperial family were held. The fist St.Isaac church on this site was constructed in time of Peter I commemorating St. Isaac of Dálmata whose Holliday was on the tsar’s birthday. Also, Peter I married his second wife, the future empress Catherine I , here.
(visit: advanced payment, from 11h until 18h, closed on Wednesday )