Lewis and Clark National Historical Park

Here near the mouth of the Columbia River, the Lewis and Clark Expedition spent the soggy winter of 1805-06 at Fort Clatsop after reaching the Pacific; the reconstructed fort anchors a park spanning both states' shores.

Explore the fort's cramped rooms and watch flintlock demonstrations; young kids can earn a Junior Ranger badge. For a challenge, hike the 6.5-mile Fort to Sea Trail from the fort through coastal forest to the ocean the Corps of Discovery finally reached.