The biggest
The highest
The longest
The smallest
The oldest
100

This is the largest country in the world by land area.

Russia

100

This is the highest mountain on Earth.

Mount Everest 

100

This is the longest river in the world.

Nile river 

100

This is the smallest planet in our solar system.

Mercury 

100

This is the lowest point on Earth, located in the Dead Sea region, and is over 400 meters below sea level.

Challenger Deep

200

This animal is the largest land mammal on Earth.

Africa elephant 

200

The highest recorded temperature on Earth was recorded in this desert, which is located in California, USA.

Death Valley

200

This is the longest running TV show in the United States, airing since 1955.

The Simpsons 

200

This tiny country, located in Europe, is the smallest in the world by land area.

Vatican city 

200

This country is the lowest in terms of average elevation, with most of its land below sea level.

Netherlands 

300

This is the largest something on Earth, covering over 30% of the planet's surface.

Pacific ocean 

300

This city, located in the Andes Mountains of Peru, is the highest capital city in the world.

La Paz 

300

This is the longest mountain range in the world, stretching along the western side of South America.

The Andes

300

This is the smallest species of bird in the world, often found in the Americas.

Bee hummingbird 

300

This is the lowest temperature ever recorded on Earth, which occurred in Antarctica.

-89.2°C (-128.6°F)

400

The Great Barrier Reef, the largest coral reef system in the world, is located off the coast of this country.

Australia 

400

This bird, known for its long legs and neck, is the world’s tallest bird.

Ostrich 

400

The Great Wall of China is the longest wall in the world, stretching over this many kilometers.

13,000 kilometers

400

This is the smallest bone in the human body, located in the ear.

The stapes (stirrup bone)

400

This is the lowest national capital in the world, located 2 meters below sea level.

Baku (Azerbaijan)

500

This is the largest desert in the world, which is not covered by ice.

Sahara desert 

500

This is the highest waterfall in the world, located in Venezuela.

Angel Falls

500

This is the longest-serving monarch in British history, reigning for more than 70 years.

Queen Elizabeth II

500

This is the smallest continent by land area, often referred to as "the land down under."

Australia 

500

The lowest recorded human blood pressure ever recorded was just 50/30 mmHg, and it was achieved by this unusual medical condition.

shock or severe hypotension