Fractals in Food
This is "Chou Romanesco" cauliflower
(more images and some great facts are here).
"When you come across it in a grocery store... on first encounter it's hard to imagine you're looking at a garden vegetable rather than an alien artefact created with molecular nanotechnology."
Read more about it here,
and about a man-made "Brocciflower" here
Photo by Benjamin Pender
More cabbage weirdness:
Photo by Tuffen
Photo by Narcissa
Fractals in Nature
Ferns are a good example:
(image credit: Colin Warren)
Classic seashell geometry:
Fractal virus and bacterial colonies:
(from Science News)
Fractal lighting:
Fractal formations created in electrical discharge: so called "Lichtenberg Figures" become visible on rocks, wood and even people, when struck by lightning. This particular one appeared while exposing a rotating lucite cylinder to the electron beam.
Source: Miqel