National Historic Trails

National Historic Trails are designated routes in the United States that commemorate significant historical journeys and events. These trails preserve and interpret the paths of explorers, pioneers, and other historical figures.

Examples include:
* The Lewis and Clark National Historic Trail, established in 1978, follows the route of the 1804-1806 expedition from St. Louis to the Pacific Ocean.1
* The Oregon National Historic Trail, authorized in 1978, preserves remnants of the 19th-century migration route to the West.2
* The Natchez Trace Parkway, established in 1938, follows an ancient Native American trail through Mississippi, Alabama, and Tennessee.3
* The Continental Divide National Scenic Trail, designated in 1978, traverses the Rocky Mountains along the Continental Divide from Canada to Mexico.4

These trails offer opportunities for recreation and education, allowing the public to connect with America's past.