Angel Falls, Venezuela is the tallest uninterrupted waterfall in the world. The water drops 3,212 ft (979 m).
More than 1.5 million seeds of various plants from around the world are stored at the Svalbard global seed vault in Norway. To ensure the safety of the seeds, it was built inside a tunnel carved under a mountain.
The first person to ride down Niagara falls in a barrel and survive was a 63 years old dance teacher from Pennsylvania named Annie Taylor. Before taking the plunge, she launched a test barrel with her cat inside. The cat survived.