Apollo 11

Credit: NASA/Project Apollo Archive
One small step… that footprint will be on the Moon forever.
Apollo 12

Credit: NASA/Project Apollo Archive
The return trip to the Moon saw a more precise landing, and the crew bringing a color TV camera to the lunar surface.
Apollo 13

Credit: NASA/Project Apollo Archive
Dramatized in the 1991 movie of the same name, the third Moon landing had to be aborted after an oxygen tank explosion crippled the mission’s Service Module. The crew was able to return safely, though, after they had ventured further than any humans had been from Earth. They’re also remembered for the famed phrase: “Houston, we have a problem.”