
Just for fun - jigsaw puzzles with pictures from the rainforest. Varying degrees of challenge! Each link starts a series of sixteen puzzles. When you move the jigsaw piece (with the left mouse button) into the correct position you will hear a rainforest animal. These puzzles utilize Javascript. It collects no information and leaves no malicious program on your computer. Your computer may ask for permission to view these.

How did the Inca - 1,000 years ago - place such expertly cut stones in such exacting positions at the top of mountains - here at Pisac in Peru - without the use of metal tools?.