Forest fires move faster uphill than downhill.
52
Australia's Great Barrier Reef is 1,250 miles long!
45
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
The Sahara desert expands at about 1km per month.
90
The Atlantic Ocean is saltier than the Pacific Ocean.
54
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138