Jude 1:7

just as Sodom and Gomorrah and the surrounding cities, which likewise acted immorally and indulged in strange flesh, serve as an example by undergoing a punishment of eternal fire.

2 Peter 2:6

and if he condemned the cities of Sodom and Gomorrah to destruction by reducing them to ashes, having made them an example to those who would live ungodly thereafter;

Matthew 25:41

"Then he will say to those on his left hand, 'Depart from me, you who are cursed, into the eternal fire prepared for the devil and his angels:

Romans 1:26-27

For this reason God gave them up to dishonorable passions. Even their women exchanged natural relations for unnatural.

1 Corinthians 6:9

Or do you not know that the unrighteous will not inherit the kingdom of God? Do not be deceived; neither the immoral, nor idolaters, nor adulterers, nor sexual perverts,

Matthew 11:24

But I tell you that it shall be more tolerable on the day of judgment for the land of Sodom than for you."

Mark 9:43-49

If your hand causes you to sin, cut it off. It is better for you to enter life maimed than with two hands to go into hell, to the fire that shall never be quenched.

Luke 17:29

but on the day when Lot went out from Sodom fire and sulfur rained from heaven and destroyed them all.

2 Peter 3:7

But by the same word the present heavens and earth are reserved for fire, being kept for the day of judgment and destruction of ungodly men.

Treasury of Scripture Knowledge

Summary

Even as Sodom and Gomorrha, and the cities about them in like manner, giving themselves over to fornication, and going after strange flesh, are set forth for an example, suffering the vengeance of eternal fire.

General references

Bible References

As

Luke 17:29
but on the day when Lot went out from Sodom fire and sulfur rained from heaven and destroyed them all.

Strange

Romans 1:26
For this reason God gave them up to dishonorable passions. Even their women exchanged natural relations for unnatural.
1 Corinthians 6:9
Or do you not know that the unrighteous will not inherit the kingdom of God? Do not be deceived; neither the immoral, nor idolaters, nor adulterers, nor sexual perverts,

Are

Matthew 11:24
But I tell you that it shall be more tolerable on the day of judgment for the land of Sodom than for you."
2 Peter 2:6
and if he condemned the cities of Sodom and Gomorrah to destruction by reducing them to ashes, having made them an example to those who would live ungodly thereafter;

Eternal

Matthew 25:41
"Then he will say to those on his left hand, 'Depart from me, you who are cursed, into the eternal fire prepared for the devil and his angels:
Mark 9:43
If your hand causes you to sin, cut it off. It is better for you to enter life maimed than with two hands to go into hell, to the fire that shall never be quenched.

General references

Luke 17:29
but on the day when Lot went out from Sodom fire and sulfur rained from heaven and destroyed them all.