Alaskan Way Seawall
The 928th tallest dam in the world
The Alaskan Way Seawall is a seawall which runs for approximately 7,166 feet (2, 184 m) along the Elliott Bay waterfront southwest of downtown Seattle from Bay Street to S. Washington Street. The seawall was rebuilt in the 2010s as part of a waterfront redevelopment megaproject estimated to cost over $1 billion.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).