This is a plot of a neighborhood of the Mandelbrot set. It's interesting because it looks more like a disconnected Julia set.
This is from the "Dragon" area of the Mandelbrot set, on the disk side of the division between the cardioid and the main disk. The center coordinates of the plot are
-0.7702557119579104, 0.1130369146248582i. The width of the plot is about 0.000000193.