Invented by British accountant Edward Craven-Walker, the first Lava Lamp appeared in stores ... of favor in the '80s and were replaced by those creepy, ultra-pale Nagel paintings.

Some stars like Jennifer Aniston pack on the spa-like vibes with a relaxing (and expensive) steam shower, while others have (creepy ... 28-year-old actress is a lava lamp superfan.

From a lava pit that looks like something out of a horror film to a crab using a discarded doll’s head as a makeshift shell – here are some of the creepiest moments Mother Nature has to offer.

Why not hang out down here, underground, with us supremely cool apes? The year-round temperature inside Ape Cave, a lava tube on the southern approach to Mount St. Helens, is a stable 42 degrees ...

Why not hang out down here, underground, with us supremely cool apes? The year-round temperature inside Ape Cave, a lava tube on the southern approach to Mount St. Helens, is a stable 42 degrees ...