Well, one has to include the Galleria Vittorio Emanuele in Milan. Some may call this an Arcade, but it is essentually a shopping mall in all respects due to it's size. Finished in 1878 and still going strong.
Yes, shopping malls can be beautiful, and no need to fake them like the Las Vegas one.
Yes, shopping malls can be beautiful, and no need to fake them like the Las Vegas one.