The city of Angkor Wat in Cambodia is the largest religious monument ever built, covering over 400 acres.

The Pacific Ring of Fire contains many of the world's active volcanoes.

Fact #100 · Geography

The Ganges Delta is the world's largest river delta, covering over 100,000 square kilometers.

Fact #4266 · Geography

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

Fact #3594 · Geography

The United States purchased Florida from Spain in 1819.

Fact #1128 · Geography

The Sahara desert was a green savanna as recently as 5,000 years ago.

Fact #3588 · Geography

Russia is so large it spans 11 time zones.

Fact #3391 · Geography

The Sahara Desert is expanding southward at a rate of about 48 kilometers per year due to desertification.

Fact #4258 · Geography

The Great Lakes contain about 20% of the world's surface freshwater.

Fact #161 · Geography