Inspect it closer
From Create Your Own Story
You see some markings on the door. You angle the light so the letters are easer to distinguish. "Yancy Family Tomb: Sealed forever on this day of our Lord 1849"
"This is not good" you say.
"And I doubt their will be a ladder or any crates or anything in there. No, this place is best left undisturbed... but..."
Yes, I should turn around and head the other way