My favourite locations on the Mandelbrot set fractal

It's pretty cool that each of these images is defined (minus colour palettes), with just four floating point values:

• -0.777120613150274923773
• -0.777120273471042550002
• 0.126857111509958518545
• 0.126857366062765260933

You can make similar ones at the link below...

Firey pattern

Top Spikey Spires

Smooth Deep Brot

Red Yellow Blue

Generated by Tom Atkinson using software: http://math.hws.edu/eck/js/mandelbrot/MB.html

Firey pattern:

<?xml version='1.0'?>
<mandelbrot_settings_2>
<image_size width='1600' height='900'/>
<limits>
<xmin>-0.777120613150274923773</xmin>
<xmax>-0.777120273471042550002</xmax>
<ymin>0.126857111509958518545</ymin>
<ymax>0.126857366062765260933</ymax>
</limits>
<palette colorType='RGB'>
<divisionPoint position='0' color='0;0;0'/>
<divisionPoint position='0.17' color='1;0;0'/>
<divisionPoint position='0.83' color='1;1;0'/>
<divisionPoint position='1' color='1;1;1'/>
</palette>
<palette_mapping length='1000' offset='0'/>
<max_iterations value='50000'/>
</mandelbrot_settings_2>

Smooth Deep Brot:

<?xml version='1.0'?>
<mandelbrot_settings_2>
<image_size width='1600' height='900'/>
<limits>
<xmin>-0.1010963735366917967418</xmin>
<xmax>-0.1010963735366884924122</xmax>
<ymin>0.9562865135190346089334</ymin>
<ymax>0.9562865135190364863934</ymax>
</limits>
<palette colorType='RGB'>
<divisionPoint position='0' color='0;0;0'/>
<divisionPoint position='0.2' color='1;0;0'/>
<divisionPoint position='0.4' color='1;1;0'/>
<divisionPoint position='0.5' color='1;1;1'/>
<divisionPoint position='0.6' color='1;1;0'/>
<divisionPoint position='0.8' color='1;0;0'/>
<divisionPoint position='1' color='0;0;0'/>
</palette>
<palette_mapping length='1000' offset='0'/>
<max_iterations value='10000'/>
</mandelbrot_settings_2>

Red Yellow Blue

<?xml version='1.0'?>
<mandelbrot_settings_2>
<image_size width='1600' height='900'/>
<limits>
<xmin>-0.741536187499999998982</xmin>
<xmax>-0.733203562499999999338</xmax>
<ymin>0.188327906250000000015</ymin>
<ymax>0.194577375000000000015</ymax>
</limits>
<palette colorType='RGB'>
<divisionPoint position='0' color='0;0;0'/>
<divisionPoint position='0.2947882736156352' color='1;0;0'/>
<divisionPoint position='0.3583061889250814' color='1;1;0'/>
<divisionPoint position='0.6612377850162866' color='0;0;1'/>
<divisionPoint position='1' color='0;0;0'/>
</palette>
<palette_mapping length='1000' offset='800'/>
<max_iterations value='50000'/>
</mandelbrot_settings_2>