That Was Then, This Is Now: Bullock's Pasadena (Macy's Pasadena)

From PreserveLA.com:     The existing building was constructed in 1947 as a Bullock's Department Store. Located on South Lake Avenue, promoters touted it as the "store of tomorrow" and Arts and Architecture magazine described it as "one of the world's most modern buildings." In fact, the design was recipient of an AIA Merit Award in 1950.

Above 2 illustrations from Shopping Centers:  Design and Operation.  New York, Reinhold Publishing Corporation, 1951, pages 46-47.  (Personal copy)

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 Google satellite view
No rooftop parking anymore.