Island Israel would be cool, but even I can see it would immediately put the setting on course for a 'danewar and is therefore A World Of No. How about Rennes le Chateau? Though I suppose the RL version is missing a mecha scale cave system full of colossal crystals and graves of all the Apostles. Or perhaps one of the treasure hunt/conspiracy theories was actually true, and was where the Case Zero handwavium was found, given what those 'graves' actually contained in Xenosaga...
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"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows