A Norfolk Southern freight train is going across the Rockville Bridge near Harrisburg, Pennsylvania. It crosses the Susquehanna River, and it is the longest stone arch bridge in the world.
This is Liberia Mansion in Manassas, Virginia.
The home of Amos Herr in Lancaster, Pennsylvania.
This is Nemours, the home of Alfred Dupont, the founder of the Dupont Company.These are the famous Fountains at Nemours.
This is the Smallwood retreat home in La Plata, Maryland.
This is Mount Aventine near Indian Head, Maryland.
This is an old Toll House near Hancock, Maryland. It is along the historic National Road, the first major east–west route in North America.