Sudan has more pyramids than any country in the world.

There are mountains on Earth taller than Everest when measured from base to peak underwater.

The highest navigable lake in the world is Lake Titicaca, shared between Peru and Bolivia at 12,507 feet.

Russia spans 11 time zones and is so wide that the sun is setting in the west as it rises in the east.

The Sahara Desert is roughly the same size as the United States.

Antarctica is technically a desert because it receives very little precipitation.

The Great Wall of China spans thousands of miles.

The Gobi Desert is the fastest-expanding desert in the world and covers parts of northern China and southern Mongolia.

The Ice Age shaped many of today’s landscapes.