Travel to five archaeological sites with NOVA and their teams of experts. The mission? To replicate ancient engineering feats- using traditional tools. Includes a 12-page comprehensive teacher's guide.

Stonehenge Watch a band of experts move, raise and cap a structure like the mysterious Stonehenge- armed with Stone Age tools.

Inca Explore magnificent mountainside citadels- and marvel as villagers create a 150-foot suspension bridge using nothing but grass. Obelisk Face the challenge of quarrying, chiseling, hauling and mounting an obelisk- using stones, ropes, logs and dirt.

Colosseum Try out two possible designs for the canopy that once covered the Colosseum- one of them borrowed from ancient ships.

Pyramid Join the race to erect an 18-foot stone pyramid in three weeks- while testing out some clever construction theories.