The Wieliczka salt mine, near Krakow, Poland proves that salt can be a masterpiece on its own. The mine was first opened in the 13th century, and today, it’s a part of the First UNESCO World Heritage List. 

The salt mine, which reaches -1072 ft at its deepest point, features hollowed-out caverns left from digging have been transformed over the years into fairytale spaces: Great halls lit by salt chandeliers, chapels devoted to Polish saints, and walkways built to view underground lakes. 

Many of the miners would become artists once they'd finished their dangerous work, carving intricate designs into the rock salt.

The mine is so unreal, it brings to mind a level in Tomb Raider, rather than a place.

More info: Wieliczka-SaltMine.com

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