burj khalifa

Kingda Ka is the tallest roller coaster in the world. At 139 meters, it’s nearly the height of the Great Pyramid of Giza. But what if someone built a roller coaster as tall as the Burj Khalifa, the...

Kingda Ka is the tallest roller coaster in the world. At 139 meters, it's nearly the height of the Great Pyramid of Giza. But what if someone built a roller coaster as tall as the Burj Khalifa, the...