Does anyone know the name of this restuarant in vegas?

its called ariel or arial? or something like that. they have an extensive wine menu and the wine is kept in a huge wine rack on the wall and to reach the wine there is a special person in a tze like thing and they swing to reach the specified bottles of wine. i think the restaurant is in either mgm or maybe ceasers palace? it is a very fancy and expensive restuarant. anyone know?