The Unirea Mine is the result of the excavation of 2.9 million m3 of salt deposit that created cavities with gigantic volumes: 14 rooms with a trapezoidal profile of approx. 80,000 sq m. In the Unirea Mine (Salina Slănic Prahova), visitors can decipher the millennial history of the Roman people by admiring the salt bust of Burebista, and in the “Hall of Genesis” they can admire the salt sculptures representing the two great leaders, Decebal and Trajan, surrounded by elements specific to the Dacian and Roman peoples. Visitors can also admire a bas-relief of the great ruler Mihai Viteazu and the bust sculpted in salt of the “star” of Romanian poetry, Mihai Eminescu
The beginnings of the history of the salt mine date back to around 1685, the year in which the nobleman Mihail Cantacuzino realized that there was a salt deposit in the Slănic Prahova region and so, wanting to open a mine, he bought the Slănic estate. The document recording the transaction also shows that before 1685