The buildup in Ciudad Juárez, an entry point for drug smuggling on the US border, is meant to stop vicious fighting between drug cartels.
The style of buildings in the Himalayan kingdom was transported to El Paso.
An in-depth look at the animal that was our national symbol.
Instead of making their way home for Christmas, many migrant workers are staying stateside.
The US is helping rebuild an air force that is badly needed in the vast country.
A report by the Brookings Institution looks at the 100 largest metro areas in the US, using data on residential energy consumption and highway transportation.