Australia's Great Barrier Reef is 1,250 miles long!
45
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
More than 25% of the world's forests are in Siberia.
51
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
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8