The museum, which opened in 1977 is located at the marketplace in the historic old city hall building with its “spy tower”. It is the largest municipal museum for geology and palaeontology in Baden-Württemberg.

Visitors to the museum can easily inform themselves about the geological traditions of the Aalen region. Displayed on the three floors of the museum are helpful exhibits arranged according to modern aspects, showing the construction and outstanding structural layers of the Swabian landscape. Clear diagrams provide basic geological knowledge and explain fossil organisms. Particularly impressive are a variety of mar-velous petrified fossils of dinosaurs and reptiles, octopus and squid, water lilies and giant ammonites, which bear witness to an ancient sea bed here.