
Unearthly
Otherworldly Origin
Use 'unearthly' to describe things that feel like they don't belong to this world, suggesting a mysterious origin. 
Not Always Scary
'Unearthly' can describe something strange without it being frightening, focusing more on its unusual nature. 
Use with Caution
When calling something 'unearthly', be aware it can imply something negative unless paired with a positive adjective. 