Supposedly some top secret cave that our government and a faction of the military are hiding from us where these aliens from the planet Nubiru are hiding/kept until that 'planet' swings back around again and the nubirians take over again like they did the last time they were here (you remember - it was before the Flood..) There was a 'big battle' there in the 1950's, says the moonbat, between two factions of the US military, one siding with these aliens against the other...
If you're into conspiracy theories you'll find it on that moonbat's EweToob page (along with a lot of other conspiracy theory fodder...)
Must not be the same cave. I’ll have to do a google to see where these giants are living. Only ones in caves just south of here are the mules/criminals/drug cartels serving as lookouts for the 100 miles of Arizona that has been ceded back to Mexico and the criminals. From the border to 30 miles south of Phoenix, along Interstate 8.