Revelation 6:15

And the kings of the earth, the princes, the military commanders, the rich people, the influential people and every slave and free man hid themselves in the caves and among mountain ledges.

Hebrews 11:38

(The world did not deserve such people). They wandered in deserts and mountains, [living] in caves and [even] holes in the ground.

Revelation 18:9-11

And the kings of the earth, who committed sexual immorality with her, and indulged in luxurious living with her, will cry and mourn over her when they see the smoke of her burning [i.e., the city of Babylon. See verse 2].

Revelation 19:13-21

And He is dressed in a robe that has been dipped in blood, and the name by which He is called is "The Word of God."

Treasury of Scripture Knowledge

Summary

And the kings of the earth, and the great men, and the rich men, and the chief captains, and the mighty men, and every bondman, and every free man, hid themselves in the dens and in the rocks of the mountains;

Bible References

The kings

Revelation 18:9
And the kings of the earth, who committed sexual immorality with her, and indulged in luxurious living with her, will cry and mourn over her when they see the smoke of her burning [i.e., the city of Babylon. See verse 2].
Revelation 19:13
And He is dressed in a robe that has been dipped in blood, and the name by which He is called is "The Word of God."

Hid

Hebrews 11:38
(The world did not deserve such people). They wandered in deserts and mountains, [living] in caves and [even] holes in the ground.