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![maniaUFO Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::2293697022.png) UFO mania [@maniaUFO](/creator/twitter/maniaUFO) on x 100.2K followers
Created: 2025-07-28 09:10:47 UTC

Grand Canyon Underground Citadel - Evidence of Giants and Underground Cities in America...🧐🤔
The most famous report - about giants and underground cities - appeared in the April 5, 1909 edition of The Arizona Gazette, entitled “Explorations in Grand Canyon.” Explorer G.E. Kinkaid discovered a huge underground “citadel” while rafting on the Colorado River.

![](https://pbs.twimg.com/media/Gw7vmdPXEAAj3uv.jpg)

XXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1949759428623802682/c:line.svg)

**Related Topics**
[united states](/topic/united-states)
[grand canyon](/topic/grand-canyon)
[ufo](/topic/ufo)

[Post Link](https://x.com/maniaUFO/status/1949759428623802682)