Google has decided to commemorate the first lunar landing with Google Moon:

In honor of the first manned Moon landing, which took place on July 20, 1969, we’ve added some NASA imagery to the Google Maps interface to help you pay your own visit to our celestial neighbor. Happy lunar surfing.

My favorite part about it is this FAQ on their website:

3. What happens if I try to zoom too close? Well, you'll have to go and find out, won't you?

Those people at Google are funny ones. Go see what happens.