Congress Palace, also known as the Constantine Palace, was rebuilt from the ruins to the tercentenary of St. Petersburg. It was originally built as a royal residence, able to outshine the famous Versailles, however, have difficulties with the arrangement of fountains and Peter I did not wait for his building was zaversheniya.Posle to the Grand Duke Constantine Pavlovich, from which it derives its name; with him the palace was greatly ennobled: overbuilt gazebo, there were bay windows and balconies. During the Soviet era there were school-colony resort and training for seafarers. In 2000, after the palace was only a skeleton, it began its restoration. The main task was the transformation of the palace into the residence of the president, where he could receive foreign visitors, although the building itself was renovated according to the drawings of Peter’s time, and was able to implement all the ideas of Peter I-movable bridges, fountains and canals for vessels.