July 9, 2013 5:03 PM Subscribe
The Dorfbahn Serfaus is arguably the tiniest subway system in the world (technically, an underground funicular), built to alleviate congestion in the tiny ski resort town of Serfaus, Austria (pop. 1,081). The line is just 1.3 km long with 4 rather picturesque stops. Bonus video (German).
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