Ever wonder what your street looked like in the 1980s or even the 30s? With Google Earth's historical imagery feature, you can view almost any location as it would've appeared throughout time.

Historians have put together an app that guides users to significant sites around the city, just in time for the 250th anniversary of the United States’ founding.

As a young officer in the French and Indian War, Washington was involved in a devastating friendly fire incident. Military veterans are helping archaeologists excavate the location.

Throughout history, maps have been fundamental in shaping our view of the world, and our place in it. But far from being purely scientific objects, world maps are unavoidably partial and subjective, ...