Inside the sea caves of Devil’s Island

Last year, when I posted here about the history of the lighthouse at Devil's Island, Wisconsin, several of you noticed the island's extensive network of sea caves, carved into the sandstone cliffs by splashing waves and moving water. This year, when some friends and I went on a little paddle through the caves, I took along a video camera. It doesn't quite capture the eerie awesomeness of floating into the dark with Lake Superior behind you, but it's still pretty neat.

Apologies in advance for the occasional sudden jerky movements and possible audible swearing. Devil's Island is also home to a large population of biting flies and my ankles are, apparently, quite tasty.

Video Link

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Inside Antarctica’s ice caves

Kayla Iacovino is a Ph.D. student who works on Antarctica's Mount Erebus, the southernmost volcano in the world. Ironically, for a volcano, Erebus is also home to some truly stunning ice caves, carved out of nearby ice and snowpack by hot, volcanic gases. If you've ever watched Alien vs. Predator and wondered what it would really be like to go spelunking beneath the Frozen Continent, I'd recommend checking out the collection of photos Iacovino posted to the Science Friday website last winter.

You can also find more shots of the Erebus ice caves and fumaroles—towers of ice that form when moist gases from beneath the snow hit the freezing Antarctic air—at a gallery curated by the National Science Foundation and New Mexico Tech.

Iacovino photos found via Clifton Wiens

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