Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...

The Heritage Foundation released a guide to historic sites, helping families appreciate American history ahead of the 250th ...

The 510-year-old map is the first to name America. A world map in the form of a set of gores for a terrestrial globe, from 1507 by cartographer Martin Waldseemueller is displayed at Christie's auction ...

It's "no wonder" so many people in the U.S. want to build a wall on the Mexican border in present times, said Lance Foster, vice-chair of the Iowa Tribe of the Iowa Reservation of Kansas and Nebraska.