In the western deserts, white pillars mark the exact boundary. They can be seen on our video map — along with the border fencing that sits just a few feet north of them.

Fanestil said construction of the new 30-foot wall along Friendship Park is about 90% complete and the anti-climb spikes have been added in the last two weeks.

The Trump administration wants to install floating border barriers that could be used to wall off river crossings and reservoirs along the international boundary with Mexico or extend U.S. fencing ...

The Pentagon notified Congress late Monday that it authorized the transfer of up to $1 billion to erect 57 miles of "pedestrian fencing" along the U.S.-Mexico border in direct support of President ...