California (or desert) barrel cactus is common in the Mojave Desert and parts of the Sonoran Desert in the southwester US and northwest Mexico. These photos were taken near Palm Desert, California.
Canon1D Mk. II or 5D4; Canon 100 mm macro lens or Tamron 180 mm macro lens or Canon 16-35 f4 zoom, fill-in flash on some (2005, 2017)