Its massing includes a main tower, a central windowless section, and a western annex. The limestone facade features about 6,000 windows and includes the Rainbow Room restaurant and Top of the Rock observation deck. It formerly housed Diego Rivera's mural "Man at the Crossroads." Controversy over the Rivera mural delayed its official opening, but the Rainbow Room and observation deck opened soon after.

The underwent extensive renovations and was renamed for Comcast in 2015.

A prominent Art Deco skyscraper located in Rockefeller Center. Standing at 850 feet with 66 stories. Originally home to RCA and later General Electric, it was renamed for GE in 1988. it now bears the name of its current owner, Comcast. The building houses the headquarters and New York studios of NBC, earning it the nickname "30 Rock."

30 Rockefeller Plaza

Jeopardy! debuted at 11:30 am. It was shot at NBC Studios at 30 Rockefeller Center with Art Fleming and Don Pardo. Mary Cabell Eubanks won the first official game, taking home $350.