Biblio Curiosaさんのイラストまとめ

Helios as the Personification of Midday, c. 1765.
Art by German Bohemian painter Anton Raphael Mengs.

Gazing at the Stars.
Art by Emile Fabry (Belgian, 1865 - 1966).

The voyeur is very frequent theme in erotica! One interesting variation is to create 2 images to show 2 different points of view: one featuring the voyeur himself and the other, the scene he's looking at.
Shunga via @tuyashun
From the series "Doors & Windows", mid-19th c.
#春画

At the Beach (ビーチで), 1900s.
Art by French artist Alexandre-Jacques Chantron (1842 – 1918). 🇫🇷
#painting

Agalmatophilia (from the Greek agalma 'statue', and philia 'love') is a paraphilia involving sexual attraction to a statue, doll, mannequin, etc. Agalmatophilia may also encompass Pygmalionism (from the myth of Pygmalion), which denotes love for an object of one's own creation.

Le Sommeil (The Sleepers), 1866. Art by Gustave Courbet.
Le sommeil d'après Courbet, 1955. Art by Bernard Buffet.