Long Before Border Walls, Entering the U.S. From Mexico Was as Easy as Crossing a Street

Deconstructing the Wall: Teaching About the Symbolism, Politics and Reality of the U.S.-Mexico Border

Little known 'virtual' border wall creates privacy, safety concerns, advocates say

What is happening at the U.S. southern border? | The IRC

The Wall – Interactive map exploring U.S.-Mexico border

US Border Patrol says message is southern border is not open

Biden Visits the U.S.-Mexico Border in El Paso

Migrants in Tijuana Run to U.S. Border, but Fall Back in Face of Tear Gas

For the first time in decades, the US-Mexico border is silent. Here's why