Black and white photo of a man with a long beard

Aerial view of the city of Florence

Specimen of a leaf on a piece of paper with a ruler next to it

Engraving of a man with a beard and a ruffled collar

Illuminated manuscript with a painting of a group of people in a room

Fossil of a beetle on the ground

Bee perched on a white flower of a milkweed plant

Close up of a plant with green leaves and small flowers

Close up of a pink musk thistle flower with a green background