Not of This World, Unearthly
This page is the CodyCross answer for the clue below from Trip to Spain, Group 860, Puzzle 2 (Fortresses).
Question is: Not of This World, Unearthly
and the answer is: ETHEREAL
Word Meaning:
ETHEREAL — Pertaining to the presupposition of an invisible air-like element permeating all of space, or to the higher regions beyond the earth or beyond the atmosphere.
Definitions from Wiktionary.