946 locations documented
Connecticut
The Boston & New York Air-Line Railroad was built across Connecticut as a direct route between New Haven and Boston, its east end now a state park trail.
New York
The Catatonk Creek Bridge carried West Candor Road over Catatonk Creek in Tioga County, New York.
West Virginia
Kenova's H. K. Porter 0-4-0T No. 1 locomotive — built in 1918, displayed for decades in West Virginia, and relocated to Kentucky in 2024 for restoration.
Ohio
The Lake Shore Electric Railway's history — from its 1901 founding through its peak connecting Cleveland to Toledo to its 1938 shutdown.
Ohio
The C&O Railroad branch to Portsmouth Gaseous Diffusion Plant — built in 1954 to serve uranium enrichment operations before its dismantling in 2001.
Indiana
Gary Union Station's history — from its 1910 Beaux-Arts opening through decades of decline to preservation efforts and a stalled 2023 restoration.
Kentucky
Sunoco's history, from its 1886 founding near Lima, Ohio through the 1920 Ardmore, Pennsylvania filling station to today's nationwide fuel brand.
Arizona
Whiting Brothers' history — from its 1926 founding in Arizona through Route 66 expansion to its decline and the surviving vintage stations today.
Arizona, Kentucky, New Mexico, Virginia
Shell's history — from its 1907 founding through Royal Dutch and Shell Transport merger, rise as a top oil producer, and role in the "Seven Sisters."
Ohio
Quaker State's history — from its 1913 founding in Oil City, Pennsylvania through its gasoline stations to becoming a Shell Oil subsidiary.
Kentucky, Tennessee, West Virginia
Gulf Oil's history — from its 1901 founding through the 1984 Chevron merger and the 1993 partnership that revived the Gulf brand.
Kentucky
The history of Ashland Oil & Refining Company, founded in Catlettsburg, Kentucky in 1924, from gas stations to Valvoline and its 2005 exit from oil.