Just floating by

First, something almost invisible drifting through the middle of the Pacific Ocean.

A rare sighting of a glass octopus reveals its nearly transparent membrane in extraordinary detail – Colossal
With a speckled, iridescent membrane, the aquatic animal is almost entirely transparent—only its optic nerve, eyes, and digestive tract are visible to humans—and sightings like these are so infrequent that scientists previously resorted to studying the species only after pulling it from the stomachs of its predators.

And then, floating over over a park in Japan, an image seemingly straight out of the pages of a Junji Ito horror story.

A giant head hot air balloon floats over a Tokyo park – Laughing Squid
Japanese photographer Disc Yuri On used a Panasonic video camera from 1999 to capture the rather startling sight of a giant hot air balloon in the shape of a head that was trying to float high above Yoyogi Park in Tokyo but was hampered by the wind. When a siren sounded, however, the balloon spun around and faced the camera directly. The stuff of nightmares.