Mentioned by Calculated Traveller Magazine
Travel Guide to 12 Free Things to do in Seattle Washington
"Over 100,000 boats travel through the Hiram M. Chittenden Locks (also known as the Ballard Locks) and its canal every year!. Visitors can watch ships move between the Puget Sound Region and Lakes Union and Washington. Keep your eyes sharp to catch a glimpse of some marine life, like salmon swimming amongst the wooden boats in the summer!"