From the outside, it’s nothing special. Just another 1970s-era house with a landscaped yard, white columns, and green shutters. Thousands of people drive past the split-level on Wade Avenue in Raleigh every month, without a second glance.

And that’s just what its owners intended — because this house is far more unusual than its appearance would suggest.

You can learn the unexpectedly amazing truth about “the house at 3215 Wade Avenue” from NPR member station WUNC. We won’t spoil it for you here, but the station’s Eric Mennel got to the bottom of things in that he says had its roots in a post on Reddit.