7.Fort Knox is the place where a large portion of US’s official gold reserves can be found. The place has very strict security because of these reasons.
8.North Sentinel Island which is the Bay of Bengal has tons of indigenous people who own the land. Anyone who tries to visit the land can be killed.
9.The Granite Mountain Records Vault is owned by the Church of Jesus Christ of Latter-day Saints and is located within the north side of Little Cottonwood Canyon. Entry is prohibited for the common public.