Deuteronomy 3:5

All these, were fortified cities each with a high wall, folding gates and a bar, - besides country towns exceeding many.

Numbers 13:28

Nevertheless surely mighty, are the people that dwell in the land, - and, the cities, walled in, exceeding great, moreover also, the descendants of the

Deuteronomy 1:28

Whither, are, we, to go up? Our own brethren, have made our heart melt saying - A people greater and taller than we, cities large and walled-up into the heavens, - yea, moreover sons of Anakim, have we seen there.

Hebrews 11:30

By faith, the walls of Jericho, fell, having been surrounded for seven days.

Treasury of Scripture Knowledge

Summary

All these cities were fenced with high walls, gates, and bars; beside unwalled towns a great many.

Bible References

General references

Deuteronomy 1:28
Whither, are, we, to go up? Our own brethren, have made our heart melt saying - A people greater and taller than we, cities large and walled-up into the heavens, - yea, moreover sons of Anakim, have we seen there.
Numbers 13:28
Nevertheless surely mighty, are the people that dwell in the land, - and, the cities, walled in, exceeding great, moreover also, the descendants of the
Hebrews 11:30
By faith, the walls of Jericho, fell, having been surrounded for seven days.