Piece of rock with a leaf on it and a scale at the bottom

Specimen of a plant with brown leaves on a white background

Black and white engraving of a man with a beard and a hat

Drawing of a man in a military uniform

Bumblebee in a white box with a barcode on it

View of a lush green forest from the top of a hill

Close up of a white lace trim on a blue background

Old map of the city of San Francisco

Subway station with a train on the tracks