I DID IT! I FINALLY CAUGHT A HERITAGE UNIT! (UP 5009) is a rail enthusiast video that inspired responses culminating in the Double Trainbow (caution: horns / screams).
"The Big Train" and other classic 1950s and 60s publicity reels from the New York Central Railroad. Lots of footage of trains, railroad infrastructure, well-dressed office minions, teletypes, punchcard machines, men in white lab coats, bubbling beakers, and even an "atomic signal light." [more inside]
"The great Trans Siberian Railway, the pride of Russia, goes across two continents, 12 regions and 87 cities. The joint project of Google and the Russian Railways lets you take a trip along the famous route and see Baikal, Khekhtsirsky range, Barguzin mountains, Yenisei river and many other picturesque places of Russia without leaving your house." [more inside]
London to Brighton in Two Minutes (2006) [HI Apple Quicktime, LO Adobe Flash] preceeded by London to Brighton in Three-and-a-Half Minutes (1983) [RealMedia, context] preceeded by London to Brighton in Four Minutes (1953) [RealMedia, context]