2 Peter 3:10-12

The Day of the Lord will come like a thief; on it the heavens will pass away with a roar, the heavenly bodies will burn up and be destroyed, and the earth and all its works will melt away.

Revelation 20:11

Then I saw a great white throne with a being seated on it from whose presence earth and sky fled so far that they could not be found.

Treasury of Scripture Knowledge

Summary

And the mountains shall be molten under him, and the valleys shall be cleft, as wax before the fire, and as the waters that are poured down a steep place.

Bible References

The mountains

2 Peter 3:10
The Day of the Lord will come like a thief; on it the heavens will pass away with a roar, the heavenly bodies will burn up and be destroyed, and the earth and all its works will melt away.
Revelation 20:11
Then I saw a great white throne with a being seated on it from whose presence earth and sky fled so far that they could not be found.