Picture to yourself a vast glacier rising precipitously, like a gigantic wall, thousands of feet above you, and creeping tortuously up its glassy, purple face, if such that surface could be called, formed by the piling of one glacial formation upon the other in the descent through the valleys, a twisting, retreating road of jagged ice strata, of earth and stone, blocked here and there by apparently impassable impediments, pausing at almost unscalable, frozen cliffs, and at times no wider than a few yards.
"My Attainment of the Pole"
Frederick A. Cook
They crept on tortuously in serpentine curves through the long, dry grasses.
"Hilda Wade A Woman With Tenacity Of Purpose"
Grant Allen
Their road, as before, led tortuously through canons and rugged ravines-no road at all, but a mere bridle path, faintly indicated by the previous passage of an occasional wayfarer or the tracks of straying cattle.
"The Lone Ranche"
Captain Mayne Reid