Tubes provide homes for solitary bees. Bee more attractive: How to entice pollinators into your garden - Telegraph
Railroad tie and gravel garden/side yard walkway. I usually don't like gravel and railroad ties but this might be a workable and less expensive option than pavers for backyard walkway to screen porch
Around the hot tub Green+Screen"+DIY+Outdoor+Pallet+Divide
Here's a video tutorial that shows you how to make your own inexpensive DIY outdoor bench using a few concrete blocks and some wood beams.
Make a bamboo insect hotel for solitary bees! So easy and cheap, and its perfect for pollinating bees to hibernate and lay their eggs. Help your garden wildlife!
Small pond idea with barrel