 County history is preserved in the Museum of the Desert Southwest, which opened in Crane in 1980.According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.08%) is covered by water.Between Crane and McCamey in neighboring Upton County is a division of the surrounding cliffs known as Castle Gap, a break in a mesa some 12 miles east of the Pecos River, used by Comanches, emigrants headed to the California Gold Rush, and cattlemen driving Longhorns on the Goodnight-Loving Trail, as explained in Patrick Dearen's "Castle Gap and the Pecos Frontier" (2000).