Complex sentence: Online photos show his grave beside 2 large cacti, and in front of a palm tree, no longer standing and what they fail to mention is the fact that his beautiful carved granite headstone is the only stone in the entire cemetery to stand at an angle.
Split into simpler sentences: Online photos show his grave beside two large cacti and in front of a palm tree, no longer standing. However, they fail to mention that his carved granite headstone is the only stone in the entire cemetery to stand at an angle.