A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
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 longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Mexico City is built on top of an underground resevoir!
47
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48