Cheese
Firearms Training
First aid
Kettle bells
Pickling stuff other than cukes
Fermentation
Cool Energy harvesting projects
Cold weather growing
Writing
Metal work
Old school wood work
Carving
Rope making
Tanning leather
Tea
De-plasticizing your kitchen and home
Food forests in cold climates
Old Deisel earth moving equipment
Self-taught well drilling
Water purification without plastic in the system
People actually using composting toilets
Usefully integrated septic systems
Rock Breaking with and without explosives
Proper tree felling
Explorations of best practices for various types of firewood
Rocket mass heaters
Self-built wood stoves
Etc.