Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Forest fires move faster uphill than downhill.
52