If you want to know more about Saint-Petersburg, have a look at:
St.Petersburg Guide - full information
on the city life.
The official city guide of St.Petersburg -
All you need to know about events, museums, transportation, hotels, restaurants,
St.Petersburg Art Voyage - if you're going
to have a rest or travel or see something new...
St.Petersburg at Your Fingertips -
a lot of useful information about the city.
Virtual Petersburg (in Russian)
Saint-Petersburg - history and pictures
of the city (text in Russian).