On this tour you will visit the highest and largest one dome construction in st petersburg and russia st isaacs cathedral you will climb the 43 meter high colonnade and enjoy a breathtaking panoramic view over st petersburg built in 1848 this cathedral is one of the iconic monuments of the city and its golden dome dominates the skyline of st petersburg later continue your tour in yusupov palace the former residence of russian nobles the yusupovs admire the palaces variety of archi