Clark County Washington was named for William Clark , co-captain of the Lewis and Clark expedition, which passed through the area in 1805 and 1806. The group of explorers camped near Washougal, Ridgefield and the present Port of Vancouver. Attractions include a visitor center and a museum. Various events are held during the year. The restored Marshall House, named after George C. Marshall, author of the Marshall Plan, has a Victorian gift shop.
Tours are available.
Pearson Air Museum - The museum is located on one of the nation's oldest airfields. Exhibits include vintage aircraft and aviation memorabilia. Chkalov Monument - Pearson Air Park E. Reserve and 5th streets. The monument commemorates the 1937 transpolar flight of Soviet aviators. They flew from Moscow to Vancouver.