History loves a good mystery. And honestly, few things are more unsettling than an entire civilization, with millions of ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. History is full of stories with clear beginnings, middles, and ends. Empires rise, they conquer, and ...

Roman, Egyptian, and Chinese civilizations had many different ingenious inventions. Chocolate was a big aphrodisiac for Mesoamerican civilizations and used for energy. The first earthquake detector is ...

Straight out of an Indiana Jones movie, National Geographic Explorer Albert Lin is on a mission to unlock the secrets of lost cities from ancient civilizations. From the remote cave systems of Oman to ...

Add Yahoo as a preferred source to see more of our stories on Google. Aghazadeh Mansion, a national historic site in Iran, was built with elaborate wind towers and other natural cooling techniques.