International Boundary Marker No. 1, U.S. and Mexico

Sunland Park, NM

International Boundary Marker No. 1, U.S. and Mexico is a monument on the Mexico–U.S. border, on the west bank of the Rio Grande River near El Paso, Texas. It was listed on the National Register of Historic Places in 1974 and designated as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1976.

From Wikipedia, CC BY-SA 4.0