These 10 disturbing rules and customs were once defended as normal, until history proved otherwise.
From ancient Pueblo dwellings to colonial saltboxes, these are the oldest houses United States history has preserved.
The Kennedy family's long history of assassinations, plane crashes, overdoses, and loss spans more than eight decades.
From Alcatraz to the Villisca Axe Murder House, these haunted places America won't soon let you forget about them.
From Audie Murphy to Roy Benavidez, these legendary U.S. soldiers defined American military history through extraordinary courage.
Seven ancient civilizations independently created apocalypse mythology with strikingly similar structure and themes.
These 13 weird archaeological finds reveal how ancient humans were far more capable than assumed, even though history can't answer everything.
From Genghis Khan to Pol Pot, these 28 feared people in history reshaped civilization through terror, and tyranny.
Who were the most intelligent US presidents in history? We take a look, and also evaluate the lowest on the list.
