A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Check your map! Virginia extends farther west than West Virginia.
67
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Every year, Alaska has about 5,000 earthquakes.
31
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62