The Draken Harald Hårfagre, the largest Viking longship built in modern times, will be touring the East Coast of the United States this summer.  From the Draken website:

Beginning in June through October, plans for East Coast Tour 2018 currently consist of 15-18 stopovers spanning from Maine to South Carolina. Potential stopover locations to include major cities such as Boston, New York, Baltimore, Philadelphia, and Washington, D.C., as well as many top seasonal tourist destinations.

…Stay tuned for future updates as and when confirmed.

The Viking longship was built in Haugesund, Norway and launched in 2012. In 2016, the Draken sailed across the Atlantic in 2016 with intermediate stops at the Shetland and Faroe Islands, Iceland, and Greenland, before landfall on Newfoundland. The ship then traveled to the Great Lakes then visited New York City in September of 2016, before traveling to Mystic Seaport Museum, where it spent the winter. During the summer of 2017, the longship was on display at the museum in Mystic, Connecticut.