Job 30:6
They lived in the most dangerous of ravines, in holes in the ground, and among rocks.
Judges 6:2
Midian's control predominated throughout Israel, and because of Midian the Israelis went out to find temporary hiding places for themselves in the mountains, caves, and fortified places.
1 Samuel 22:1-2
David left from there and escaped to the Cave of Adullam. His brothers and all his father's family heard about this and went down to him there.
Isaiah 2:19
"They will enter caverns in the rocks and holes in the ground to escape the presence of the terror of the LORD, to escape the splendor of his majesty when he arises to terrify the earth.
Revelation 6:15
Then the kings of the earth, the important people, the generals, the rich, the powerful, and all the slaves and free people concealed themselves in caves and among the rocks in the mountains.