North Carolina 'mystery house' contains valuable secret

RALEIGH, N.C. (WITI) -- A building located on Wade Avenue in Raleigh, North Carolina, takes on the appearance of an average home -- but what's inside may surprise you.

The home, which is located about 15 minutes from downtown Raleigh, has no driveway, no mailbox and the front doors won't open.

What's inside? Watch the video above for the answer.