4 Photos

Astronauts Pete Conrad and Alan Bean left behind this evidence of their visit in 1960. The charred circle marks the descent stage for Apollo 12's lunar module, Intrepid. The L-shaped white structure toward the top is actually cables reflecting sunlight. The men were the third and fourth people to walk about the dusty gray litter of earth's satellite. (Photo: NASA/NASA | Date: Sep. 01, 2011)

This August, NASA's Lunar Reconnaissance Orbiter swept extremely low over the moon, snapping photos all along the way. The spacecraft captured images from the Apollo mission landing sites in never-before-seen detail, with meandering astronaut foot trails and discarded scientific instruments. Here are those incredible images. (LINK TO PHOTO GALLERY)