Rugged mountain ranges in southeastern Arizona halted the march of a steel border wall during the first Trump presidency. Wildlife advocates say it shows the importance of animal travel routes.

Laredo is one of the last South Texas border cities to avoid border wall construction in recent years ... no compromise that ...

Spared in the first Trump administration, Arizona's wildlife-rich San Rafael Valley is now targeted for border wall ...

Arizona is selling off shipping containers formerly used as a border wall, with about two-thirds still available. Most containers are being repurposed for storage, but some have been converted ...