Australia is wider than the Moon — the continent spans about 4,000 km coast to coast.

Mount Etna in Sicily is Europe's most active volcano and has been erupting continuously for at least 2,700 years.

Mount Everest is not the closest point to space — that title goes to Mount Chimborazo in Ecuador due to Earth's equatorial bulge.

The tallest waterfall in the world is Angel Falls in Venezuela.

Iceland sits directly on the Mid-Atlantic Ridge and is actually spreading by 2.5 cm per year as two tectonic plates diverge.

The Pleistocene epoch included repeated glacial cycles.

Ciudad Perdida in Colombia predates Machu Picchu.

The Trans-Siberian Railway is one of the longest railway lines in the world.

About 90% of humans live in the Northern Hemisphere.