One of the most important decisions to make on any road trip is where are we going to stop for lunch?

Recently, when I was driving through the Southwest, this question came up. We had just left Monument

Valley in Navajo Nation, and our next stop was the Grand Canyon, which is about a three-hour drive

away. So lunch was obviously necessary, and I didn't even bother to check Yelp. I knew that

there was one place we needed to go. Could I just get a wapper place?

A wapper place? Or just the burger? Burger King. The Burger King in Canta, Arizona, to be specific.

This Burger King is not just the spot to go if you're craving a wapper at 10.30 in the morning.

It's also home to a small museum. A museum dedicated to a group of Native American veterans

who developed an unbreakable secret code during World War II.

I'm Amanda McGowan, and this is Atlas Obscura, a celebration of the world's strange

incredible and wondrous places. And today, we're taking you to Canta, Arizona, for a hamburger

with a side of top secret espionage history. That's after this.

After I've secured my wapper, I take a look around the Burger King. In a lot of ways,

it looks just like any other fast food joint. There is the lightweight metal table and chairs

that scratch against the tile floor, the stacked up red trays above the trash bins, the soda

machines. But there's something about this Burger King that is really different. Right behind

the area where you wait in line near the cash register is a floor to ceiling display case,

and it's filled with military paraphernalia. I peek inside through the glare of the fluorescent

lights, and I can see knives, uniforms, a gas mask, and also nearby there's a giant life size

cut out of Nicholas Cage. This collection is what I came here for.

This is Bernie Begay. She's manager at the restaurant and has worked there for about three and a half

years. What's the story about it? Just a whole bunch of Navajo's that fought in the war and

...