Experience the fascinating history of a small area that was highly coveted for its mineral resources: Neutral Moresnet - a forgotten "dwarf state" and "no man's land" between Belgium, Germany and the Netherlands. Discover the raw material zinc, 19th-century plastic, mining and the fascinating world of minerals. What does Kelmis have to do with Napoleon's bathtub? Why was the border triangle once a border triangle? The answers and other exciting stories can be found in the Vieille Montagne Museum - interactive and exciting for young and old.