What did Washington DC look like to President Abraham Lincoln? Find out with the spyglass story map, featuring maps from the David Rumsey Maps Collection. Look into the past here: http://p.ctx.ly/r/6rpa | Esri

While diving in Prospect, I uncovered this remarkable piece of history—an antique bottle made of ‘black glass,’ perfectly preserved in the sand. Despite its name, ‘black glass’ is actually a deep green or purple that appears black to the naked eye. These bottles, used in the 18th and 19th centuries, protected liquids from sunlight, preserving everything from wine to medicinal tinctures. It’s fascinating to hold something that’s traveled through time. What stories do you think this bottle could t