I was kind of partial to the Bistromatic drive which Douglas Adams came up with. Based on the premise that math in an Italian Bistro doesn’t follow the normal rules of math.
Adam’s infinite improbability drive was unique too, but I thought it was a little messy with equally improbable side effects.
If ya don't like it, you can always change yer phone number.
Have you heard about through earth tunnel travel? According to gravitational constants traveling in a freefall tunnel from any point on earth to another takes exactly 42 minutes.
"Curiously enough, the only thing that went through the mind of the bowl of petunias as it fell was Oh no, not again. Many people have speculated that if we knew exactly why the bowl of petunias had thought that we would know a lot more about the nature of the universe than we do now."
The Hitchhikers series are some of the funniest books ever written.