09/09/2026
Sunday, September 13 marks the first International Day of Caves and Karst, highlighting the importance of caves and karst landscapes around the world - from providing drinking water to supporting unique ecosystems and preserving geological history.
The National Speleological Society is celebrating with an open house at its Huntsville headquarters, including a rare opportunity to tour Shelta Cave, which hasn’t been open to the public in decades.
The open house runs 1–5:30 p.m. at 6001 Pulaski Pike. Cave tours require advance registration.
🎧 hear and learn more at https://wlrh.org/episode/national-speleological-society-open-house/
📻 produced by Alex Hall
📱 digital by Sonni Hood