American tech billionaire Elon Musk shared a viral video showcasing the stunning underground galleries of Romania’s Slănic Prahova Salt Mine on X, the social media platform he owns. The video, originally posted by Tolkien Universe, drew comparisons to the fantastical realms of The Lord of the Rings, quickly attracting significant online attention. Musk commented with a simple, yet impactful, “Wow!”

Located approximately 100 kilometers from Bucharest, the Unirea Mine is renowned for its enormous galleries, with walls towering tens of meters high and chambers that resemble cathedrals carved into salt. The mine spans 14 trapezoidal chambers, covering tens of thousands of square meters. Today, the Unirea Mine is no longer just an industrial site but has transformed into a significant tourist destination.

Within the mine, visitors can find salt sculptures, leisure areas, and spaces specifically arranged for tourists. Often cited as one of the largest salt mines in Europe, the Unirea Mine is today one of Romania’s most recognized underground attractions. The mine’s unique geological formations and intricate architecture make it a fascinating site for both tourists and geologists alike.

Musk’s enthusiastic reaction to the video of the mine has further amplified its visibility, drawing attention to the Unirea Mine as one of the most impressive underground formations in the world. Internet users have taken to calling it the “Mines of Moria” of Romania, referencing the fictional mines from J.R.R. Tolkien’s works.