Australia's Great Barrier Reef is 1,250 miles long!
45
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Forest fires move faster uphill than downhill.
52
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
There are more than 50,000 earthquakes throughout the world every year!
47
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Mexico City is built on top of an underground resevoir!
47
The average ice berg weighs 20,000,000 tons!
54