Onyx Cave (Arkansas)
Onyx Cave is a small show cave located about six miles (9.6 km) east of Eureka Springs, Arkansas. It has been a tourist attraction since 1893, making it the oldest show cave in Arkansas. The cave does cantain onyx, also known as cave onyx. During the 19th century and the beginning of the 20th century many caves were named Onyx Cave, which makes it difficult to keep them apart. You are guided through the cave by head sets. "Self guided" which alert tourists to chambers and rock formations. Since the cave has only one public opening, visitors exit the cave the way they entered. The cave stays at an average temperature of 57 degrees Fahrenheit (13.8 degrees Celsius) year round.
In 1969, some scenes from the B-Movie 'It's Alive' were filmed at Onyx Cave.[1]
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