Stacked the stones, fountains, drill holes through rocks and stack them on rebar. could make a unique feature
How to Make a Garden Fountain
DIY Garden Stone| Since it is fall... it could be cool to use autumn leaves that have fallen off the trees.
Geek Turns Mound of Dirt Into an Awesome Pod-Shaped Home for just $9,000 - TechEBlog It's almost earthbag/cob/earthship but it can look like this!
solar panels - http://www.replacementpopupcamperparts.com/popupcampersolarpanels.php
Good Ideas For You | Glow in the Dark Pebbles Stones for Walkway
Build an outdoor movie theater - I think I have to do this in my backyard this summer!
Outdoor cinder block kitchen