Findings:

• Secret Caverns
• Wailing Caverns
• Cumberland Caverns
• Stump Hole Cavern
• Blue John
• The Cavern Under the Sea
• Kartchner Caverns State Park
• Luray Caverns
• Pitfall II: The Lost Caverns
• Florida Caverns State Park
• Howe Caverns
• Caverned
• Cavern
• Carlsbad Caverns National Park
• Caverns of Zeux
• Callisto (user)
• Callisto

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