mermaids A brief history of what we think mermaids might look like Thom Dunn

astronomy An Original Theory or New Hypothesis of the Universe, from 1750 Thom Dunn

art Can you spot all the perspective mistakes in this satirical engraving from 1754? Thom Dunn

Art and Design Explore the famed faery painting of an artist dealing with mental illness in the mid-1800s Thom Dunn

art Vaguely surreal 1896 illustrations of ventilation systems Popkin

animation Exploring the early clay animations of Joseph Sunn Popkin

art Antique 'Specimens of Fancy Turning': Geometric designs from Edward J. Woolsey's 1869 albumen silver prints Popkin

photography Early 20th-century photos show fishermen from the fishes' perspective Popkin

Tom the Dancing Bug Super-Fun-Pak Comix, feat. Marital Mirth, Public Domain Mickey Mouse, and MORE! Ruben Bolling

art Celestial Phenomenon Over Nuremberg, April 14th, 1561: a fascinating woodcut and mystery Popkin

art Demons emerge from a colorful Kawanabe Kyōsai's colorful woodblock print Popkin

art The playful and spooky puppets of Paul Klee Popkin

london Early illustration of 17th-century London's coffeehouse culture Popkin

photos Book of Monsters (1914): Early macro photography of creepy crawlies by Marian and David Fairchild Popkin

art The Public and Private Life of Animals satirized the late Victorian world Popkin

bugs Microscopic images from Arthur E. Smith's 1909 "Nature Through Microscope and Camera Popkin

illustration The 19th century pufferfish art of Joseph Drayton and Alfred Agate Popkin

Book Explore beautiful snowflake illustrations from 1863 Popkin

cartoons The surreal joy of Arent van Bolten's Grotesques Popkin

cute Adriaen Van de Venne's 'Skating Owls' (1660) Popkin