• Pictograph Cave State Park - Billings MT
    Formerly known as 'The Indian Caves' or 'The Indian Ghost Caves' around Billings, MT, this pre-historic site has become one of the most visited state parks in Montana. Artifacts dating back several thousand years were found here in 1937. A professional excavation was overseen by William Mulloy and Larry Loendorf with work performed by the Works Progress Administration workers. Over 30,000 artifacts were recovered, but many of them lost as the site was abandoned by the WPA in 1941. Pictographs are what the site is known for today; of the 106 originally recorded images, about 10-20 are visible today. The...