Admiral Byrd . . Beyond the Ice Wall
"city seems to be made of a crystal material."
http://www.ufoevidence.org/documents/doc1763.htm
"New Jerusalem itself is likened to pure gold, as clear as glass. John also writes that the streets are made of pure and transparent gold."
https://www.bibleinfo.com/en/questions/new-jerusalem
The Second Coming Already Happened — The Bible Says You Missed It
Millennial Reign Discussion 
Was Jesus the King of Tartaria?! PAUL STOBBS on Look Into It ep.117
"The New Jerusalem in Revelation is the holy city descending from heaven to the new earth"
https://revelation-explained.com/guide/new-jerusalem-in-revelation/
"In 1994, a researcher claimed to have obtained a top-secret photo taken by the Hubble Space Telescope, suggesting it could be an image of Heaven."
https://peacelilysite.com/2023/07/28/heaven-picture-photographed-by-hubble-telescope/
"A pastor in America is claiming that God showed him a vision of an "alien" ship flying over the Vatican and Mayan temples in Mexico."
"He said in July this year, that he saw "little bitty ships coming out of this mother ship that were balls of light.""
https://www.wionews.com/trending/pastor-claims-ship-with-demonic-spirits-is-coming-for-earth-netizens-link-it-to-3i-atlas-1760588030874
The Big Ol' Mothership (New Jerusalem?)
Little Season Discussion New Jerusalem Might Be A Pyramid
They Were Never Aliens