A lesser-known memorial on the National Mall is the John Ericsson Memorial along the Potomac River near the Lincoln Memorial in honor of the Swedish-American inventor/engineer who designed the USS Monitor, the ship that ensured Union naval dominance during the Civil War. It was dedicated in 1926 by President Calvin Coolidge and Crown Prince Gustaf Adolf of Sweden. The entire memorial cost only $60,000 and is made from pink granite. It's a statue of John Ericsson with three figures representing adventure, labor, and vision. There's a crosswalk and steps that take you to get a closer look. read more