So, you want to photograph waterfalls?

I ran across this website and wanted to share it with you.
It appears as though you can select an any state (or multi-states) to view the waterfall information, including names, county, longitude, latitude, and USGS Map.

Waterfall Map Locator Tool

Virginia, West Virginia and Maryland Waterfalls

Explore the waterfalls of Virginia, West Virginia and Maryland on maps or satellite images. Click on a marker and use the zoom and pan tools in the upper left corner of the map window to explore. Switch between maps and satellite images using the buttons in the upper right.

Lists of Maryland, West Virginia and Virginia Waterfalls are provided below. The waterfalls included in the list below and the map above are those shown on United States Geological Survey 7.5 minute topographic maps. Additional waterfalls are likely to be found – especially on intermittent streams.