(link) FOUNTAIN: How to Build a Concrete Fountain ~ Create a stone-lined garden pond, then carve a waterfall out of a block of stone using basic power and hand tools. The technique is simple, even for beginners. This is a STEP BY STEP TUTORIAL GUIDE
Would love to do something like Baumraum’s Cliff Treehouse in New York over the ravine behind our house. Perched on a Maple tree this great designed house's providing amazing elevated view of the Hudson River. Saw this on TreeHouse Masters (tv show).