
Missing Bats at Devil’s Sinkhole
The bats at Devil’s Sinkhole in Texas were mysteriously missing. Three intrepid cavers rappelled into the football-field-sized cavern to learn why.

The bats at Devil’s Sinkhole in Texas were mysteriously missing. Three intrepid cavers rappelled into the football-field-sized cavern to learn why.

Compilation of the most commonly used caving knots, including a printable workbook containing detailed tying instructions and photos.

Use the Ascending Multi-System to easily switch among all major ascending systems: Frog, Rope Walker, Mitchell, and Texas. Includes comparison charts, step-by-step building instructions, emergency repair, and printable field guide.

Beyond the Dome: photo documentary of the first new passage found in Natural Bridge Caverns in over 50 years! See the huge rooms, massive formations, and amazing colors that these expeditions discovered.

Watch cavers squeeze into a tiny hole, even upside-down! My video called “Tight Squeeze at Deep Cave” has gone viral with millions of views on YouTube and countless more on social media. Watch the full video here with all the fails and successes!

Huge virgin cave found north of Hondo, Texas. Huge room! Massive formations! Even water passage with a cave-adapted salamander and connection to aquifer.