SS Selma
Galveston, United States
SS Selma was a concrete-hulled oil tanker built as part of the World War I Emergency Fleet, one of only twelve concrete ships that were completed for it. SS She barely saw service before being wrecked, and was scuttled a few years later. Now, Selma is the only permanent, and prominent, wreck along the Houston Ship Channel. She lies approximately one mile north of Galveston Island.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).