An Exclusive Look Inside Walt Disney's Apartment

It's no secret the late Walt Disney worked up a storm creating Disneyland, the happiest place on earth, but not many know that Walt often took residence within a secret apartment above Main Street during the park's 1955 construction.

ET's resident kid reporter Lauren Kaplan was granted exclusive access to the legend's working residence atop Disneyland's famed firehouse. Modestly furnished with views of the Anaheim park's entrance, Walt spent a great many of the 257 days it took to create the theme park within the apartment's walls.

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While Disney was busy overseeing construction, he was also working hard on his beloved classic, Lady and the Tramp. Daughter Diane Disney Miller spent a great deal of time with her father in those busy years, and in the above video, she shares fond memories of her father during the historic period and gives ET behind-the-scenes access to the Disney Family Foundation vault which holds never-before-seen, priceless pieces of Disney history.

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Diane also lends her recollections to the Diamond Edition of Lady and The Tramp, in a feature entitled Diane Disney Miller: Remembering Dad. This special edition of the classic film will be available for purchase on Blu-ray and DVD February 7, 2012.