Krakatoa's 1883 eruption was heard 4,800 km away in Australia.

Venice, Italy is built on 118 small islands connected by over 400 bridges and is slowly sinking.

Fact #4272 · Geography

Glacial periods caused sea levels to drop significantly.

Fact #748 · Geography

Antarctica is the only continent with no native population and no permanent residents except researchers.

Fact #3994 · Geography

The Three Gorges Dam spans the Yangtze River.

Fact #1541 · Geography

The Earth's mantle lies between the crust and core.

Fact #301 · Geography

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

Fact #4267 · Geography

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

Fact #916 · Geography

The Amazon River discharges more water into the ocean than the next seven largest rivers combined.

Fact #4255 · Geography