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The original building used as the NightClub "Xanadu" was the Pan-Pacific Auditorium in Hollywood. Sadly, the building burned down years later. There is a replica of one of the Moderne pylons on a library on the site, now. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.facebook.com%2FPPAXanadu%2F&psig=AOvVaw2eAfXxJGEG0NsvDWDP7dLq&ust=1597924418810000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCIDl_sCap-sCFQAAAAAdAAAAABAD https://www.google.com/imgres?imgurl=https%3A%2F%2Flive.staticflickr.com%2F5184%2F5668342887_d964f93bc8_b.jpg&imgrefurl=https%3A%2F%2Fwww.flickr.com%2Fphotos%2Fmichael_locke%2F5668342887&tbnid=FQNyTyGdivDNIM&vet=12ahUKEwjbrpS8mqfrAhXbGjQIHVrEDnUQMyhfegUIARCqAQ..i&docid=AdDorJge0y-jTM&w=1024&h=685&q=Pan%20Pacific%20Auditorium&ved=2ahUKEwjbrpS8mqfrAhXbGjQIHVrEDnUQMyhfegUIARCqAQ
Yep, if you go to my website in the link, I have visited that location and the pylon.