Urban-dwelling birds and wildlife are in need of more options for cozy places to live. So artist Thomas Winther, aka Dambo, initiated the Happy City Birds project. He spent just two weeks building 250 birdhouses out of free and recycled materials.
Enchanted Woods - Winterthur Museum, Garden and Library in Delaware. there's a huge beautiful garden, and a whole enchanted woods with little wooden faerie houses and messages from the fae snuck in places.
The Mud Man and Moss Maiden in the Lost Gardens of Heligan. The so-called Lost Gardens of Heligan were once overgrown, lost and forgotten but are now one of the most popular botanical gardens in the UK.
Log Bird Feeder - 23 DIY Birdfeeders That Will Fill Your Garden With Birds (my note: I haven't looked at all of these, but at least one is a terrible idea. The window birdfeeder -- birds could fly into the glass and hurt themselves.