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
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!
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.
Small pond idea with barrel