I don't know if these have been mentioned before, but I thought they were cool, they're old videos from EPCOT Center on the monorail.
This is from 1992:
http://www.youtube.com/watch?v=52xeBUmcqwQ
And this is from 1994:
http://vids.myspace.com/index.cfm?fuseaction=vids.individual&VideoID=4483619
This is from 1992:
http://www.youtube.com/watch?v=52xeBUmcqwQ
And this is from 1994:
http://vids.myspace.com/index.cfm?fuseaction=vids.individual&VideoID=4483619