First, let us know where is the set of The Big Bang Theory located. The sets are actually located in Pasedena. The show, set in Pasadena, made liberal use of local references throughout. The city even declared a Big Bang Theory Day back in 2016, with a proclamation thanking it for “drawing national, international (and even perhaps intergalactic)” attention, “[portraying] the City of Pasadena as not only a city of advanced education and pop culture sophistication but also home to the occasional unexpected ‘Bazinga!’ to countless viewers worldwide,” and more.
Have a look of the sets after the show discontinued….