A large cottonwood tree, dormant in the winter cold, stands over a modern stucco building at the visitor's center at Aztec Ruins National Monument, New Mexico.
A centuries-old wooden post anchors an ancient stone wall excavated in Aztec Ruins National Monument, New Mexico. Native Americans brought multi-colored stones to the building site from miles around.
A series of short, narrow doorways separate the chambers of an ancient building in Aztec Ruins National Monument in New Mexico. These rooms were believed to be used for storage by the people who lived here, including the keeping of bodies of deceased relatives, whose skeletons were found when these ruins were excavated in the early 20th century.