I can completely correlate to the uneasiness brought by truly realizing the scale of things.
If you do like video games, one that had such an intended effect on me was the first Mass Effect. There are a number of side missions where you descend onto planets in a multi-terrain vehicle and are supposed to check some things out (you can get out of the rover as well). Although for the most part the planets are barren (much like Mars), I found them incredibly effective at sending the scale message across. The most incredible one though, was a side mission on the Moon, with Earth right up above you. Though the scale wasn't 100% accurate, it still made for one of the most impressive moments in video games for me.
If you do like video games, one that had such an intended effect on me was the first Mass Effect. There are a number of side missions where you descend onto planets in a multi-terrain vehicle and are supposed to check some things out (you can get out of the rover as well). Although for the most part the planets are barren (much like Mars), I found them incredibly effective at sending the scale message across. The most incredible one though, was a side mission on the Moon, with Earth right up above you. Though the scale wasn't 100% accurate, it still made for one of the most impressive moments in video games for me.