This is a slow motion video of the apollo 11 launch, closeup on the engines. Be sure to have the volume turned on because the accompanying description rules.
Apollo 11 Saturn V Launch (HD) Camera E-8 from Mark Gray on Vimeo.
Also, everyone has probably seen the apollo 11 moon-walk videos a bunch, but the later apollo missions had two things apollo 11 didn't have... better video equipment and a ROVER:
Apollo 16 LRV Grand Prix HD from Doug Ellison on Vimeo.
via @nauticalgrandpa via kottke.org