Check out this photo NASA's Curiosity rover sent back of the neighborhood on Mars where it landed last Monday, and compare it with and a photo of the Mojave desert here on Earth. If you disregard the vegetation the similarities are remarkable.
Curiosity's new neighborhood: The first full-resolution photos of Curiosity's surroundings on the Martian surface. The rim of Gale Crater make up the mountains in the distance.Courtesy NASA/JPL-Caltech
Earth's Mojave Desert: the cholla cactus in Joshua Tree National Park make the landscape look even more alien than that of Mars, don't you think?Courtesy Mark Ryan