Long-form YouTube: videos of entire long-distance train journeys

YouTube has been an existence-proof of forms of video that were lurking in potentia, unable to come into existence due to limitations of the distribution channel. The two-to-three-minute video has now been firmly established as a genre (with the six-second video hot on its heels), but there's plenty of room at the long end of the scale. Case in point: subculture of YouTubers who post full-length train journeys, hours and hours' worth -- and if that's not long-form enough, how about 134-hour sea crossings?
Long-form YouTube: videos of entire long-distance train journeys