There's an oil shale museum in Estonia. The tour covers visiting actual underground oil shale mine tunnels and a general museum about oil shale enrichment, chem

There's an oil shale museum in Estonia. The tour covers visiting actual underground oil shale mine tunnels and a general museum about oil shale enrichment, chemistry and energetics. See: http://kaevandusmuuseum.ee/eng/ http://kaevandusmuuseum.ee/eng/