Deuteronomy 3:5
All these were cities fortified with high walls, gates, and bars; besides the unwalled towns a great many.
Numbers 13:28
However the people who dwell in the land are strong, and the cities are fortified, [and] very great: and moreover we saw the children of Anak there.
Deuteronomy 1:28
Where are we going up? our brothers have made our heart to melt, saying, 'The people are greater and taller than we; the cities are great and fortified up to the sky; and moreover we have seen the sons of the Anakim there.'"
Hebrews 11:30
By faith, the walls of Jericho fell down, after they had been encircled 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.                        
                    General references
Bible References
General references
                                        Deuteronomy 1:28                                        
                                                                                                                                Where are we going up? our brothers have made our heart to melt, saying, 'The people are greater and taller than we; the cities are great and fortified up to the sky; and moreover we have seen the sons of the Anakim there.'"
                                    
                                        Numbers 13:28                                        
                                                                                                                                However the people who dwell in the land are strong, and the cities are fortified, [and] very great: and moreover we saw the children of Anak there.
                                    
                                        Hebrews 11:30                                        
                                                            
                        By faith, the walls of Jericho fell down, after they had been encircled for seven days.