Does everyone know about this incredible resource? It's a great place to get lost for a couple of hours, and to return to frequently. memory.loc.gov/ammem/index.html
Put anything you can think of into the search engine. It doesn't have to be American. Winchester Cathedral can be found there, along with scenes of Sicily after WWII. There are antique maps, excerpts from deeds, photographs, and recordings. There are seven hours of recorded reminiscences by former slaves, along with recording of various dialects of the US, for instance, along with recorded music.
Be sure to click on "List all collections" on the main page, to give you an idea of where you'd like to dive in.
For instance, there are panoramic photographs. I chose this one from 1910 because of the port theme and because one of the boats goes to my grandmother's home town.
Here is a movie made by Thomas Edison in 1898. (I couldn't resist the dancer's name). This should open in Quicktime.
I don't have a handle on how to search and find everything, but have such a good time rummaging it doesn't matter.