The (not nearly enough) famous Battleship Islands at Garibaldi Lake, Beautiful British Columbia!
If you look at it right, and squint just enough, the trees and the reflection are supposed to look like a battleship. Check out another shot from the same location - Purity
Download includes up to 2560x1600, and 2560x1440. The photo is taken with Nikon D90 + Tokina 11-16mm.