Russia spans 11 time zones — more than any other country.

The Petronas Towers were once the tallest buildings in the world.

There is more water in Earth's mantle than in all the oceans on the surface.

The Atacama Desert in Chile is the driest non-polar desert on Earth — some weather stations there have never recorded rain.

Africa is larger than China, India, the USA, and Europe combined.

The shortest commercial flight in the world operates between two Scottish islands — Westray to Papa Westray — lasting about 90 seconds.

The Colosseum in Rome could hold up to 80,000 spectators — comparable to a modern NFL stadium.

Lake Baikal is the deepest freshwater lake in the world.

Angel Falls in Venezuela is the world's highest uninterrupted waterfall at 979 meters.