Caving
Caves explored
- Timpanogos
- Nutty putty
- Logan Cave
- Minnetonka Cave
- Grand Canyon Caverns
- Lehman Cave
- Rabbit Ear Cave
- Howe Caverns (?)
- Big Brush Cave
- Jewel Cave
- Kartchner Caverns
- Coronado Cave
- Tabernacle Hill Lava Tubes
- Carlsbad Caverns
- Crystal Ball Cave