Located just across the border from Washington, D.C., the town of Bethesda, Maryland is a fairly well-to-do suburb and one of the last places one might expect to find a fantastical novelty house. But that is precisely what sits on Allan Road, just off of Western Avenue. Eye-catching, to say the least, this strange residence was given its curvy configuration in the late 1960s. Architect Roy Mason, known for his futuristic Xanadu Houses, was hired by owners Edward and Frances Garfinkle to turn the house into something magical. With a…