Toggle navigation
Home
Fact Generator
Fake Facts
Submit Facts
Fact Lists
Animal Facts
Famous People and Entertainment Facts
Finance Facts
Food and Drink Facts
Health Facts
History Facts
Interesting Facts
Law Facts
Nature Facts
Places Facts
President Facts
Science and Technology Facts
Sports Facts
Home
Places
Interesting Places Fact #1227
Facebook
Twitter
Pinterest
Email
The longest cave in the world is the 'Mammoth Cave System'in the USA at 560,000 mtrs deep!
Categories:
Places
Next Fact
Fun Fact Lists
8 interesting facts about Frogs
Interesting facts about chickens
10 Facts about the Moon
Fun Facts For Kids About Fish