Complete carcasses of early saurians, fossilised fish, tiny Branchiosaurs, palm-sized cephalopods, corals and plant fossils – the National Geopark Thuringia Inselsberg – Drei Gleichen offers fascinating insights into the history of life on earth from the Permian to the Lower Jurassic, a time span of more than 150 million years. Discover the fossils of the geopark in the GeoInformationcentres at the Marienglashöhle in Friedrichroda, in the culture barn Mühlberg or in the museum of local history Frankenhain