The Secret Base in a Weird Environment

The most immediate example of a secret base in a weird environment, I feel like we have to give it an honorable mention is Area 51. It wasn't officially even acknowledged until 2013, just four years ago. And if you're an avid traveler like me, you've got to download my new app, Atio. That's audio with a T.A.U.T. O.O. Enjoy a new way of traveling with stories activated by your location.