President-elect Donald Trump unveiled sweeping plans for US territorial expansion in the Western Hemisphere during a news ...

It can be easier when a landmark or body of water is within a country's boundaries. In 2015, then-President Barack Obama ...

The Chuckwalla National Monument will protect public lands in southeastern California and will extend a conservation corridor ...

A map has been released showing the areas most likely to be targeted in the event of a nuclear attack on US soil, with the ...