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Uncle Mark 🦅🇺🇸
unclemark.bsky.social
did:plc:qdyueh5regame2wtfu3mrmp2
Ruby Falls is the tallest underground waterfall in the U.S.
The Lost Sea is the largest underground lake in the U.S.
Tennessee is home to some of the most diverse species of trees and amphibians on earth.
2025-08-30T12:15:32.244Z