I found a few names for my blog via a thesaurus website. I don't know why, but I searched 'hope' and apparently I had searched that also, when trying to find the current name of my blog. Because supposedly a synonym of hope is 'castle in the air'. Castle in the air has a different overall meaning than some of the other synonyms. Castle in the air means like, a dream place, sort of thing.
There is two that were hope synonyms that I liked very much, however, the literal meaning was quite different.
1. Utopia. One word and quite simple. 'An imagined place or state of things in which everything is perfect'
2. Fool's Paradise. 'A illusory