Pineapples are not a single fruit, but a group of berries that have fused together.
19
The Basenji dog is the only dog that is not able to bark.
4
Ice cream cones were popularized in America during the 1904 World’s Fair in Saint Louis when an ice cream vendor ran out of cups and asked a nearby waffle vendor to roll up his waffles to hold the ice cream.
17
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Mars had an oxygen-rich atmosphere around 4 billion years ago
13