maca39878 Cascading stream. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39878.html maca39890 Rain-fed waterfall seen from inside cave. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39890.html maca39880 Stream cascading over limestone rocks. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39880.html maca39872 Styx spring and forest in autumn foliage during rain. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39872.html maca39882 Trail leading to historic cave entrance in the fall. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39882.html maca39879 Stream, boulders, and fallen leaves. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39879.html maca39867 Water drips over limestone ledges and Styx. 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Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39876.html maca20409 Limestone cliffs and karstic depression in autumn. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca20409.html maca39870 Trees with yellow leaves and Styx river during rain. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39870.html maca0501 Trees and limestome cliffs in the fall. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca0501.html maca39874 Forest with autumn color seen from inside cave. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39874.html maca39860 Styx underground river resurgence. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca39860.html maca39854 Drizzle and fall colors. 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