Open book with red calligraphy on it against a black background

Empty road with power lines running along it

Close up of a circuit board with a variety of electronic components

Drawing of a plan of the proposed site for the Battle of Gettysburg

Black and white drawing of a swamp with trees in the background

Statue of a man standing next to a woman in a room

Open book with a drawing of a human heart on it

Street scene with a car parked on the side of the road

Old document with the words &quot;General Remarks of the United States of…