This is the former MGM Grand Hotel, now Bally's location.
Opened in 1973, tragic fire was in November 1980.
Remodeled and sold to Bally's in 1985.

The statue is Neptune.

http://digital.library.unlv.edu/objects/sky/560

http://fineartamerica.com/featured/3-film-homage-ray-harryhausen-jason-and-the-argonauts-1963-neptune-mgm-grand-las-vegas-1977-2008-david-lee-guss.html