In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Australia's Great Barrier Reef is 1,250 miles long!
45
The state with the longest coastline in the Continental U.S. is Michigan.
31
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
It's still possible to see the division between East and West Germany due to different light bulbs.
5