From the DVD - Widescreen.
Grand Canyon National Park, Arizona
Denali National Park & Preserve, Alaska
Cuyahoga National Park, Ohio
Steamtown National Historic Site, Pennsylvania
Golden Spike National Historic Site, Utah
Allegheny Portage Railroad National Historic Site, Pennsylvania
Durango-Silverton Narrow Gauge Railroad National Historic Landmark & Historic Civic Engineering Landmark, Colorado
Cumbres & Toltec Scenic Railroad National Historic Landmark, Colorado.
