Deep Zoom I
These three images are successive 'zooms' at very high magnification levels.  From the left, the first image is calculated at 28 decimal places and required 4 hours of processor time.  The middle image ran for 11 hours at 58 decimal places.  The final image (far right), calculated at 119 decimal places and 50,000 iterations per pixel, required 347 hours and 45 minutes (2 weeks plus half a day! Almost a month of evening and weekend cpu time).  Rather than type out a book of numbers and make one mistake that could throw things off by several hundred gazillionths, here's a FractInt parameter file if you wish to calculate your own...
Lizard Skin
The Eye of the Beholder*
Deep 119 notitle II
* Named by viewer suggestion