Also known as the Mount Hollywood Tunnel (or in Back to the Future 2 as the River Road Tunnel), this short tunnel behind the Griffith Park Observatory in Los Angeles was used as a filming location for a number of movies including Who Framed Roger Rabbit as the entrance to Toontown, WarGames as the tunnel to NORAD and the location of the hoverboard chase scene in Back to the Future 2.

(Via Badassdigest)

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