Event Calendar This event has passed. Mariah Carey December 9, 2019 at 8:00 pm - December 10, 2019 at 11:59 pm $110 to $500. Details Start: December 9, 2019 at 8:00 pm End: December 10, 2019 at 11:59 pm Cost: $110 to $500. Visit Website Venue MGM National Harbor 101 MGM National Ave Oxon Hill, MD 20745 United States + Google Map Phone: 301-971-5000 To advertise your event on this calendar, contact calendar@washingtonian.com.+ Google Calendar+ iCal Export
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