The "Alligator" Mound - This 210 foot long Hopewell mound of a tailed animal doesn't actually portray an alligator. Situated in Licking County, Ohio. Many pictures and maps

Etowah Mounds - A huge page on these enigmatic mounds near Cartersville, Georgia, USA - maps, history, artifacts and theories.

Serpent Mound Mysteries - The Serpent Mound of Ohio and related sacred sites - geometry, system of measure, astronomical alignments and ley lines.

Cahokia Mounds - Among the scores of mounds still intact in the rich river bottomland is Monks Mound, towering as high as a 10-story building and covering more ground than the biggest of Egypt's pyramids. This grassy structure is the largest prehistoric earthen mound in the western hemisphere. U.S. News Online article.

Fort Mountain State Park, Georgia - How did the wall at Fort Mountain get built? This puzzle has intrigued men since its discovery. A Georgia State Park near Chatsworth

Mounds of the Midwest - A guide to visiting the mounds by car. From the Chicago Tribune