Maquoketa Caves is probably Iowa's most unique state park. Its caves, limestone formations and rugged bluffs provide visitors a chance to "step bac...
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In 1868 lead miners drilled 40 feet into the ground to find traces of a rich lead vein. In this process they found very little lead, but instead di...
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Wapsipinicon State Park, dedicated in 1923, was one of Iowa's first state parks. It lies just south of Anamosa on the Wapsipinicon River (locally r...
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The Mark Twain Cave Complex boasts America's Oldest and Newest Show Caves. Mark Twain Cave is Missouri's first Show Cave. The cave was first shown ...
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History:Cave of the Mounds takes its name from the Blue Mounds, two large hills which have long been Wisconsin landmark features. The West Mound, a...
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Cliff Cave also known as "Indian Cave" is developed in Mississippian St. Louis limestone. With 4723 ft (1514 m) of cave passage surveyed, it is the...
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Bixby consists of 184 acres of rugged algific slopes, mature hard wood forests and a trout stream. The area is for day use only. Perfect for a quie...
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Eagle cave has well over 3,000 feet of passage.Four main walking levels beneath the walking levels are four levels of subterranean tunnels for expl...
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Natural History:Illinois Caverns is located in southwestern Illinois in Monroe County about 35 miles south of St. Louis. The entrance to the cave (...
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