Where does Beatty drive the fire engine to towards the end of part 2?

Towards the end of Part 2 of "Fahrenheit 451," Beatty drives the fire engine to Montag's house. This is where Montag's secret collection of books is discovered, leading to a confrontation between him and Beatty. The visit to Montag's house signifies a turning point in Montag's rebellion against the oppressive society he lives in.