Ancient Salt mine near Krakow Poland. Chapel of Saint Kinga, the largest among underground chapels in the Wieliczka Salt mine, is actually a sizable subterranean church carved in rock salt and embellished with salty sculptures and bas-reliefs.
Look at the Christ Pantocrator icon carved into the salt rock. Church in Underground Salt Mine in Romania. Several hundred meters below ground, it was built for the workers of the salt mine and has been seen by very few people in the world.
Poland’s largest tourist attraction, sits 100 meters below the ground. And it’s huge. Beyond the tourist route, its actual depth is 327 meters and is almost 300 kms long. Work began in the salt mine in the century, and it provided table salt up until