Over 8,000 websites created by students around the world who
have participated in a ThinkQuest Competition. Compete | FAQ |
Contact Us The Lost Civilization About 1000 years ago there
existed a civilization that rivaled anything in the world. It
was centered along the Ohio River. Parts of it can be seen 16
miles south of St. Francis School which is in Cleveland, Ohio.
Please check our evidence. 19 & under Social Sciences & Culture