The Peter and Paul Fortress is a place of the foundation of St. Petersburg. The first stone to the foundation of the fortress was put on May 27 in 1703, on the Trinity Sunday. A wooden church was constructed in the center of fortress in honor of Saint Apostles Peter and Paul.
In 1712 on its place the construction of a stone cathedral began. Domenico Trezzini constructed the cathedral in Petrovsky baroque style. The construction was finished only in 1733. The height of a bell tower is 122,5 m. This is the highest architectural construction in the city.
All Russian tsars are buried there: from Peter I to Nicholas II. The remains of the family of the last Russian emperor were transported from Yekaterinburg in 1998.