American Falls, Idaho American Falls is a city in and the county seat of Power County, Idaho. The population was 4,457 at the time of the 2010 census. History American Falls was a landmark waterfall on the Snake River, named after a party of American trappers whose ...

, is a historic site where many

Oregon Trail The Oregon Trail was a east–west, large-wheeled wagon route and Westward Expansion Trails, emigrant trail in the United States that connected the Missouri River to valleys in Oregon. The eastern part of the Oregon Trail spanned part of what ...

emigrants carved their names on a rock. The rock is located in what is now

Massacre Rocks State Park Massacre Rocks State Park is a history-focused public recreation area in the Northwest United States featuring the Massacre Rocks, a famous spot along the Oregon Trail and California Trail during the middle 19th century. The state park is located ...

and is now protected by a shelter. It is located west of American Falls on

U.S. Route 30 U.S. Route 30 or U.S. Highway 30 (US 30) is an east–west main route in the system of the United States Numbered Highways, with the highway traveling across the northern tier of the country. With a length of , it is the third longest ...

and Interstate 86. It was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

in 1978.

References

Transportation on the National Register of Historic Places in Idaho Power County, Idaho Road transportation on the National Register of Historic Places National Register of Historic Places in Power County, Idaho {{Idaho-NRHP-stub