Seattle

Mercer Slough Nature Park
http://www.myparksandrecreation.com/ParksTrails/Details.aspx?pid=91

Mercer Island Adventure Playground
http://seattle.findwell.com/million-things-to-do-seattle/rtp-adventure-playground/

Blueberry Farm:
http://www.myparksandrecreation.com/ParksTrails/Details.aspx?pid=35

Discovery Park:
http://www.seattle.gov/parks/environment/discovery.htm

Ballard Fish Ladder:
http://www.lonelyplanet.com/usa/seattle/sights/other/ballard-fish-ladder

Green Lake Park:
http://www.lonelyplanet.com/usa/seattle/sights/other/green-lake-park

Main and North Arcades:
http://www.lonelyplanet.com/usa/seattle/sights/other/main-north-arcades

Kerry Park:
http://www.lonelyplanet.com/usa/seattle/sights/other/kerry-park

Waterfall Park:
http://www.lonelyplanet.com/usa/seattle/sights/other/waterfall-park