The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Atlantic Ocean is saltier than the Pacific Ocean.
54
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 takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25