This astonishing Arizona Strawberry Hedgehog Cactus <i>(<a href="https://en.wikipedia.org/wiki/Echinocereus_engelmannii" class="extiw" title="en:Echinocereus engelmannii">Echinocereus engelmannii</a>)</i> blooms only a few days each year.  The mid-day sun illuminates its exuberant flowers.
pinbyte
April 17, 2004 near Tucson, Arizona.
This picture was taken by 'pinbyte' (me).