You could traverse The Great Wall of China in its entirety in around 18 months. Its length exceeds 5,000 kilometers.

The Great Pyramid of Giza's blocks of limestone and granite weigh 2.5 tons each. They number 2.3 million as well. Yes, you did read that right.

Niagara Falls never freezes.

Armadillos are bulletproof

In Africa, acacia trees can speak with one another. They give forth gases that signal neighboring trees to start producing tannin, a poison that defends them from hungry animals.

Pineapples take two years to grow.

Lake Baikal in Siberia is the world's deepest freshwater lake. It dives to a staggering 5,315 feet (1,620m) below the surface. Woah

Although lobsters are not "biologically immortal," they do create an enzyme that fixes their cells and facilitates endless DNA replication. That is where the myth originates.

The River Nile measures 6,853 kilometers in length and is the longest river in the world. Eleven different nations also share its water resources.

The Mariana Trench in the Pacific Ocean is the deepest spot on Earth. It is 11,034 meters (36,201 ft) deep. It is over seven miles.