A river rafting trip to Hells Canyon, the deepest canyon in all of North America, brought this writer and his stepfather ...
The actual Hells Canyon jet boat experience is really cool. Going upstream on the Snake River, you go about 35 miles per hour ...
One of his most audacious attempted stunts came in 1974 when he tried to clear Idaho's Snake River Canyon in a rocket. The feat famously went awry when the parachute opened too early.