How big is Vatican City?
800 meter!
Vatican City is the smallest country. It, although very small, is larger than you are. If you were to stretch your flesh over Vatican City so that it was spread evenly, the coating would be about 200 nanomaters thick, which is less than even a single skin cell!
Half Dome
Half Dome is a large dome that is in Yosemite National Park. It is made up of granite. The steep side of the dome is almost vertical. Don't fall off that side unless you want to. Some people like to climb it, even though it is very challenging!
Eiffel Tower
For 41 years, the Eiffel Tower was the tallest man-made structure in the world. 200 million people have been to the Eiffel Tower, which is almost the population of the U.S.A.!
AM Radio Wavelength
A and M are the first and thirteenth letters of the alphabet. One is a perfect square, while thirteen is not. We all have our differences, and we have to learn to accept them. That's the only way we'll live in harmony.
Burj Khalifa
Burj Khalifa, which used to be called the Burj Dubai, is the tallest building in the world. No other building is taller than 828,000 millimeters tall. There's a swimming pool on the 76th floor.
Angel Falls
Angel Falls is the tallest waterfall in the world. It is Venezuela's top tourist attraction. Most of the water evaporates into mist before hitting the ground. That's too bad. Or is it good? It's good.
Boeing Everett Factory
The Boeing Everett Factory, with 13 million cubic meters of usable space, is one of the largest buildings in the world. The Great Wall of China and the Three Gorges Dam do not qualify as buildings.