Dusty treasures: Iconic supercars found hidden in garages, storage units, and junkyards for decades.

Left to rot away in a barn somewhere in Austria, this Volkswagen Beetle is one of only nine convertibles built by Austro-Tatra in 1950.

If you’ve been in the car world for any length of time, you’ve surely heard terms like “barn find” or “survivor,” both of which can certainly be exciting. They’re as much artifacts as they are ...