Coprolites are fossilized poop. Though time-worn and (thankfully) odorless, coprolites can still tell us much about the creatures who excreted them so long ago.

Why would a hippo be the size of a pig, or a crocodile as small as a cat? Isolated environments can cause species to evolve smaller, so they need less food.

In some remote places like islands, animals can grow unbelievably large - seeming like giants compared to their mainland counterparts.

This look at 10 drained lakes of the past and present shows what happens when Mother Nature - or the errant hand of Man - decides to pull the plug.

From a bizarre giant worm that spits lightening out of its anus to the notorious goat-sucking 'Chupacabra', these mythical beasts have never been confirmed.

The modern air conditioner is only about a century old. So what did people do to survive the summers before then? They used ingenious natural cooling methods.

Bob Dylan wasn't referencing hail when he wrote "A Hard Rain's A-Gonna Fall" but truth be told, hail is as hard as rain can get.

Some of the world's rarest diseases and medical conditions are also the most bizarre, from 'possessed' hands with minds of their own to Walking Corpse Syndrome.

Whether as pampered pets at home or protected from predators in zoos, these 10 oldest "grand paws" lead the senior circuit with the most golden years.

Live snails, mummy powder and icepicks to the brain are just a few of the bizarre and terrifying medical 'cures' used from ancient times into the 20th century.

Weird medicine, from offbeat therapies that might work (like leeches) to the nonsensical (cancer-causing parasites) to the truly bizarre (rebirthing therapy).

As seen in their Fourth of July costumes, it is all about the red, white and blue for these patriotic dogs, cats, squirrels, horses, turtles and guinea pigs.

The Solar Decathlon highlights the best and most innovative in solar home design. These 5 entries were picked as the judges' favorites in the 2010 competition.

Rock formations have been laid down and eroded away time and time again over the past 4.5 billion years - even the Earth suffers from fallen arches.

"Human Horns" are more than just the theme of a Futurama episode, they're a recognized physical phenomenon that's not as uncommon as one might think.