NASA has been launching astronauts into space since 1961, and since 1965 those astronauts have stepped outside the safety of their spacecraft to float around, test mini-propulsion units, repair the International Space Station, or walk on the moon. You've seen dozens of images of them in their iconic white spacesuits.

But space fashion didn't have to look the way it does. Throughout the decades, engineers inside NASA and out have dreamed up some rather unusual spacesuit designs, some more than practical, others just plain goofy-looking. Here are a few spacesuits that NASA has considered over time.