This is a video taken by an amateur astronomer of an unknown structure on the moon. There is no voice-over, no soothing narrator discussing NASA coverups, just a video of something clearly out of place on the lunar surface. It appears to be a giant cube, tall enough to cast a shadow many miles long. Look for it at 1:12 and at 2:58 on the video.
It is somewhat remniscient of the monolith on Phobos, although shaped differently. The Phobos monolith is a half-cylinder standing on end, this monolith clearly has four sides. Both are enormous, unnatural structures on moons.