A labyrinthine network of tunnels and chambers that’s sat hundreds of feet below the Earth's surface for centuries, Turkey's underground city of Derinkuyu once housed 20,000 people.Annie Lambla/FlickrCarved stone arches that serve as support for the large rooms inside Derinkuyu.
After billions of years of steady erosion, the region of Cappadocia in central Turkey looks like a magical realm out of a fairy tale. Here, rocky hills and stone spires called “fairy chimneys” rise up out of the dusty plains of the Anatolian peninsula, while serpentine tunnels meander below. Read More...
Found in the rainforests of Central and South America, glass frogs are some of the only partially see-through land animals on Earth — and their transparency is their greatest strength.Glass frogs are unique amphibians with a rather peculiar physical feature: They have translucent skin that makes their insides visible to the naked eye. Simply looking through their underbelly gives a full view of their intestines, lungs, and sometimes even their beating heart. Read More...
The Knights Templar was a Catholic military order formed during the Crusades — and some believe the group found the legendary Holy Grail while in Jerusalem.Walker Art Library / Alamy Stock PhotoThe Knights Templar existed for hundreds of years before its terrible fall — though some believe the group never went away.
When the influential French abbot Bernard of Clairvaux sat down to write about the Knights Templar around 1136, he described the members of the order as “fearless knight[s]” protected by the armor of “faith” and “steel. Read More...
