Futuristic Martian colony, with domed habitats, rovers traversing the red landscape, and Earth visible in the night sky.
Crystal formations in caves or geodes, revealing the hidden wonders beneath the Earth's surface.
Grand library with towering bookshelves, spiral staircases, antique globes, and a large stained glass window casting colorful light.
Lively Renaissance fair, with jesters, knights in armor, medieval stalls, and a castle in the background.