The building consists of the main "Atrium Tower" and two extensions, completed in 1971 and 1982, respectively, containing a total of 1,260 rooms.

[5] On top of the Hyatt Regency is a revolving restaurant called Polaris, located just beneath the blue dome-shaped structure which gives the hotel its distinctive profile.

So similar are the two buildings that in 1981, the Tower doubled for the Peachtree Plaza in the film Sharky's Machine starring Burt Reynolds.

Stuntman Dar Robinson dropped (67 m (220 ft)) from the Tower, setting a record for the highest freefall (unrestrained) jump from a building in a film.

[citation needed] In 1982, the International Tower was added, which is the same as the original design but has expanded rooms and suites.