No one knows how old Odessa's network is, but the catacombs were greatly expanded in 1794, when Catherine the Great sought limestone to build her city by the sea. Odessa, from the moment of a birth, was under construction on a stone of a shell rock which was extracted from the underground. Therefore under the city underground labyrinths were formed. They store secrets of the past. The history of the Odessa catacombs is a terrible monastery of the criminal of Odessa and simultaneously they are Heroism Odessa the guerrilla of the period of occupation of Odessa during WWII. The temperature in the Catacombs is +15C all-around the year. That is why we recommend you to take the warmer underwear. Going in suburb of Odessa - village Nerubajskoe were you will visit catacombs. It is only one legal entrance to the Odessa’s Catacombs. We recommend enjoying this tour what will help you to open the underground history of Odessa.