12 incredible facts about the first moon landing

Sputnik sparks the space race

Project Gemini prepares astronauts

Fire destroys Apollo 1, killing its crew

Armstrong skips first chance to be an astronaut

Saturn V rocket: taller than the Statue of Liberty

The eagle almost runs out of fuel

Half a billion people watch the first moon walk

The moon smells like burned gunpowder

Soviet probe crashes on moon

Apollo 11 astronauts fill out customs forms

Apollo 11 brings back three new minerals

No human has visited the moon since 1972

12 key dates.