Here is another example of pre-Columbian architecture found in the Yucatan of Mexico. How did the ancients cut the blocks of stone so precise and fit them into place without the use of mortar? There are a lot of unsolved mysteries out there. You can learn more in local author, Alex Walker's Toltec Series adventure novels (Toltec and Cuzco) and don't forget the big Publisher's eBook sale of $2.99 through end of April. Printed books are available at Barnes & Noble, Northpoint Parkway. You are invited to journey with us into the past and witness incredible discoveries. Your journey can start now.