At the very posh Emirates Palace hotel in Abu Dhabi. I am told that "everything that looks gold probably is". It was constructed as a conference centre for Sheiks.

Pricetag (at construction) around $3bn.
Grand entrance to the Emirates PalaceEmirates palace hotelGrand LobbyThe very expensive gold dome...A lot of gold went into the domeThey tell me its decore... looks like pickles to meThe food was great....Eli's birthday toast