Think hot. Burning hot, flames of hell hot, and mix that with sand. Welcome to Hell and the sand demons of Dante's Inferno, a sand sculpture opera based on the Italian classic masterpiece.

Unseasonably cold weather and globally warm scenarios pose grave animal dangers to tropical fish, sea turtles, colobine monkeys, gorillas and other marine animals.

Seemingly mild creatures like cleaner fish, damselfish and fruit flies have recently shown that they have surprising wild sides when push comes to shove.

Arachnophobia: the irrational fear of spiders. These hairy 8-legged, multi-eyeballed spiders may inspire fear, but get up close and they look almost cuddly.

From past (venomous dinosaurs) to present (venomous jellyfish) to future (venom treatments), the evolution, dangers and benefits of venom continue to surprise.

From insects and brain size to genetically-altered mice and Alzheimer's to sea lions and toxic brain damage, these animals help educate about the brain.

Living organisms continue to amaze in the form of recent bizarre discoveries surrounding lungless worms, lonely bacteria and coconut-crazy octopuses.

From using maggots to heal wounds to learning how dogs may predict diabetic attacks, the value of safe animal research is seen in recent medical breakthroughs.

From the love songs of the Mexican free-tailed bat to the dangerous, seductive dance of redback spiders, the language of love is loud and clear in the animal world.

From bonobos ranking food by sound to rats falling in love with junk food, animal appetites, eating habits and consumption are tales of the cool and absurd.

From vampire squid and fangtooth to viperfish and blobfish, nature is full of deep sea monsters that are perfect for inciting a scare on Halloween.

From gremlin-like primates to ghostly hatchetfish to the appropriately-named vampire bat, nature consists of some scary animals straight out of a horror flick.

From the gecko self-amputating its tail to swimming worms dropping pretty bombs on larger predators, deception is a major aspect of surviving in the animal kingdom.

New scientific discoveries, like recent findings on the evolution of dinosaurs, birds, bats and man, have the unique ability to alter and rewrite history.

Humongous holes can be found scattered across the globe, some geological phenomena and others made by man. Here are the most massive man-made and natural holes to be found on our planet.