The Great Wall of China is not visible from space with the naked eye. Astronauts can only see it with the aid of telescopic lenses.
Honey never spoils. Archaeologists have discovered pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.
The longest recorded flight of a chicken is 13 seconds. Chickens are not known for their flying, but they can flap their wings and briefly take to the air.
The world's oldest known living organism is a 5,000-year-old tree named Methuselah, located in the White Mountains of California, USA.
Image credit : redrockscenicbyway
Cleopatra, the famous Egyptian queen, lived closer in time to the moon landing than to the construction of the Great Pyramid of Giza.
Image credit : historicaleve
The shortest war in history occurred between Britain and Zanzibar in 1896. It lasted only 38 minutes.