Baobab: the common name of a genus (Adansonia) containing eight species of trees, native to Madagascar, mainland Africa and Australia. Also known as the Bottle Tree, the trees typically store around 300 liters of water and often live over 500 years.
Moqui Marbles, naturally occurring iron oxide concretions that arise from navajo sandstone. Very prevalent in the Escalante Grand Staircase National Monument (I have a small one of these that looks like iron balls formed together!
Baobab trees are native to Madagascar (it's the country's national tree!), mainland Africa, and Australia. A cluster of "the grandest of all" baobab trees (Adansonia grandidieri) can be found in the Baobab Avenue, near Morondava, in Madagascar.
Cucumber tree - found only on Socotra Island, Yemen. The island is very isolated and through the process of speciation, a third of its plant life is found nowhere else on the planet. It has been described as the most alien-looking place on Earth.
Behold the ultimate tree house! What: The Patient Gardener project using ten Japanese cherry trees Where: School campus in Milan, Italy Who: Designed by Swedish architects Visiondivision Why: A two-story treehouse study retreat for students. The vision: a