I have an S.A. Wetterlings 20H Extra Large Hunting Axe. It's pretty awesome, and it's sharp as a motherfucker.
It's half-way between an axe and a hatchet, so it's small enough for backpacking and kindling but large enough for raping trees and splitting wood. Works both with one hand and two hands.
http://www.amazon.com/S-A-Wetterling-Axe-Wetterlings-Axes/dp/B00025ZC0G