With action-packed footage, get a close and personal look at the most extreme animals on the planet in this provocative and exciting series!
When it comes to construction, the really high rises can be found in the animal kingdom. Explore the top ten animal architects see if what they build compares to the typical skyscraper. Spiders are capable of building intricate webs so strong they can stop a bird mid-flight. Bower birds build incredible straw structures and ornately decorate them to impress a female. Prairie dog homes may not seem impressive from the outside, but their underground tunnels can extend for miles and be like small cities. Find out which animals are the Most Extreme Builders in this top ten countdown.
