"Hand mit Ringen" (hand with rings). German physicist Wilhelm Conrad Roengten made his first radiograph with the hand of his wife Anna Bertha Ludwig. This image is used under license CC BY-SA 4.0 from https://commons.wikimedia.org. (source: Wellcome Images)
People looking at thrilling things: some fans watching a rock band during the last moments of Reanimator Records. Note that no one is disturbed by the alien's public use of a comm-link. Just one of the gang.
A rare image capturing the city shifting its reality. The left side of the photo clearly shows a building's windows transforming into their new state. The intent of the change is not yet known at the time of this captioning, but many of us who have detected it are paying close attention.
Close up of a comic book image. Someone is about to lose their head via a tentacled monster. There's no devil in these details, just the understanding of how colored half-tones work together and are placed on the paper to construct something that we could perceive as scary. (Sanjulian. 1976. "Oogie: The Scroungers." Eerie 76: cover.)