Green Onion Domes such as these are typically Russian:-

However, most of St Petersburg’s architecture is in the European style.

Senate and Synod building:-

Portico:-

Street to side:-

Central Exhibition Hall, St Petersburg:-

The Lion Palace is so-called because of the stone lions at its entrance. Corner (opposite St Isaac’s Cathedral):-

Facade:-

Stone lions:-

Just across the road from the Lion Palace is this rather sumptuous in appearance public convenience. A bit more elaborate than the average British effort:-