Lava Trees
When hot fast-flowing lava engulfs a moist tree, the lava solidifies as the tree eventually burns leaving behind a mold of the tree. This rare natural phenomenon only in Hawaii.
Photo courtesy: Scott Carpenter, CC BY-SA 2.0 https://commons.wikimedia.org/wiki/File:Lava\_Tree\_State\_Park.jpg
https://www.shakaguide.com/article/big-island/lava-trees