You feel fear, even before you take your first step. What is prompting you to go further?

is it curiosity?

It seems to stretch for miles. The smell of earth becomes stronger, and the light behind you wanes and fades away. The sound is silence. You follow the wall with your hand, your lack of sight giving way to a world of usually ignored sensation.

Stone you feel by touch becomes wood. A staircase down is on your left. But the hallway continues, and will do so with or without you.