Cotton Top Cactus, Echinocactus polycephalus, near Ubehebe Crater, Death Valley, Death Valley National Park, California, USA, North America.
Technical Information:
I photographed this photo with the digital SLR camera model Canon EOS 20D, aperture of f/8.0, exposure time of 1/250 sec. on ISO 200, as always I used a original Canon Lens, the focus lenght for this picture was 100mm.