This publication is a collection of pictorial comparisons of prominent physiographic features found on Mars and Earth, consisting of equal-scale side-by-side pairs or cartographic overlays. Martian features compared with terrestrial ones include Valles Marineris, the Tharsis bulge, Olympus Mons, the Hellas and Argyre basins, areas of catastrophic flooding, and the polar regions. The illustrations are accompanied by a brief descriptive text and bibliography.