In the 1920s, the US built a coast-to-coast visual highway of rotating searchlight towers and 70-foot concrete arrows to guide nighttime airmail pilots
What happens when you cut the tail of a Prince Rupert’s Drop, causing the internal tension to instantly shatter the glass at 3,000 mph. (Credit: SmarterEveryDay)
The Chasm" is an acclaimed nighttime image captured by New Zealand astrophotographer Tom Rae, depicts a profound, 100m vertical descent into underground cave network in New Zealand's North Island at n
Elbe 2 is a WWII submarine bunker in Hamburg, Germany, that still holds the wrecks of three WW2 submarines. In 1995, the wrecks were covered in sand and concrete and are now entombed beneath a parking
Those are mammatus clouds real, bizarre looking clouds that form when cold air sinks inside a thunderstorm They look like giant bubbles hanging from the sky.
At the peak of Japan’s 1989 asset bubble, the grounds of the Tokyo Imperial Palace were estimated to be worth more than all the real estate in the entire state of California.
Crows stealing fur from panda to build nest while the panda doesn't mind. Pandas have thick coat in the winters so they don't object to getting rid of excess hair.
In 1963 , a Turkish man knocked down a basement wall during renovations and accidentally discovered Derinkuyu , an ancient underground city extending 18 stories deep , It was equipped with schools , c
The unbroken seal on King Tutankhamun’s tomb in 1922. That piece of rope and clay remained entirely untouched for 3,245 years before this photo was taken
