900-year-old stone kingdom: The breathtaking ruins of Great Zimbabwe

Great Zimbabwe is an ancient city that flourished between 11th and 15th centuries. The site contains the largest single pre-colonial structure in sub-Saharan Africa. Legend has it that this was once a playground for the giants -- and for visitors gazing over this steep hill in southern Zimbabwe it's easy to understand why.

Spread around in every direction, great jumbled blocks of granite rise from the ground to create spectacular rock formations, their fantastical shapes fashioned by centuries of wind and rain, of heat and cold. Stacked upon one another, such boulders are scattered haphazardly across the southern African country -- Zimbabwe is indeed home to one of Africa's most breathtaking landscapes... Click here for the full story on CNN.