secret door to an underground storm shelter/panic room/hid out in the kitchen island! Best secret passage ever! Definitely a dream home feature! (would also be good if someone broke into your house and you had to hide somewhere) Zombie apocalypse.
A Mexican marine lifts a bathtub that leads to a tunnel and exits in the city's drainage system at one of the houses of Joaquin Chapo Guzman in Culiacan - The Secret Underground Tunnels Of Drug Kingpin Joaquin
secret room IN the stairs! I need a secret room somewhere in my house. So have the secret room under the stairs, but to actually make it secret, don't put the door under the stairs, put it in the stairs.