The city of Tobolsk is the historical centre of Siberia's governance, so-called Siberian treasure. Tourists are greeted by the Kremlin, which stands on Trinity Cape. It is the third state ceremonial Kremlin in Russia. It combined various administrative functions, such as the spiritual and secular authorities, the punishment system, namely the most brutal prison in Siberia, the customs office, and the Russian treasury. Much of the cultural heritage has already been restored. There are 11 working museum complexes on the territory of the Kremlin, which also includes a museum of the family of Emperor Nicholas II. The city has a large number of excursions and educational tours. In addition to them, there is always something to do, because a number of events held in Tobolsk are included in the national calendar of Russia: the festival of historical reconstruction Abalakskoe Polje, art festival Summer in Tobolsk Kremlin, the annual festival Ukha-Tsaritsa, a festival of Cossack culture Heirs of Yermak. Most of the events take place in the city's Bazarnaya Square, which is located in the lower suburb. Its main attraction is the Church of Zechariah and Elizabeth. By decision of the Holy Synod, Tobolsk was proclaimed one of the three main spiritual centres of Russia, along with Moscow and St. Petersburg. Tobolsk is a unique cultural site, a monument to Siberian stone and wooden architecture. The city has more than 200 historical and cultural landmarks. They include 16 cathedrals, monasteries and parish churches. This historic city is connected with the names of famous people Dmitry Mendeleyev, Alexander Alyabyev, Vasily Perov, Pyotr Yershov, Vasily Surikov, the family of the last Russian Emperor Nicholas II stayed in the city. Tobolsk is also famous for the only factory of artistic bone carvings in Russia.