Explore Historic Downtown

Historical marker location:

West Branch, Iowa

( Marker is at the intersection of Penn Street and Downey Street, on the left when traveling west on Penn Street.)

Herbert Hoover National Historic Site.

The famous explorers Lewis and Clark passed through Iowa in 1804 on their journey to the Pacific Ocean, but they didn't actually set foot on Iowa soil. The expedition traveled along the western border of Iowa, which was then part of the Missouri Territory.