national geographic

Two Galveston fishermen noticed a "menacing-looking" fish in the marshes.

Our ancestors used atlatls to protect their tribes and hunt for food. Now we can turn back the hands of time and learn to use the atlatl to win prizes.

Bigfoot, the Loch Ness Monster, aliens from outer space, and the 'chupacabra' are all legends that just about everyone has heard of. Whether you believe in the creature known as the "chupacabra" or not, it apparently makes a great story for television.

On the upcoming National Geographic Channel show "How Hard Can It Be," which will premier this fall, a bunch of crazy dreamers recreate the scene in the animated Disney movie "Up" in which helium-filled party balloons lift a house high in the air. The folks at "Good Morning America" got a sneak peak of how this was done. Read on to check it out.