The Big Bang happened everywhere and all at once, not somewhere in space, but creating space. If you claim that it happened right where you are and that you are at the center of everything, you are not wrong. It happened here.
When the FM radio is tuned between stations, part of the “white noise” comes from background radiation leftover from the Big Bang, called the Cosmic Microwave Background. Part of this interference-about 1%-is a leftover radiation from the Big Bang. You can hear it.