Seattle is a big city in the US state of Washington. South Lake Union is one of its districts, it is located at the southern end of Lake Union. The heart of the district is situated in an urban park right on the lakeshore. The Northwest Seaport Maritime Heritage Center has its seat here, it boasts a collection of historic ships and boats. Among the most important vessels moored on the lake there are the steamship Virginia V and the tugboat Arthur Foss. Workers digging drainage ditches in the district of South Lake Union found a mammoth tusk in 2014.
