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Caves of Doom

America’s caves are full of wonders—and deadly dangers

By Allison Friedman
From the February 2019 Issue
Answer Key (1)
Can't-Miss Teaching Extras
Breaking News

Last July, 12 boys were rescued from a flooded cave in Thailand. Watch this minute-long video of this daring rescue mission to give your students further context into what inspired this article. 

A Daring Trip

The Cave of Crystals in Mexico houses the biggest crystals in the world, with some more than 36 feet long! The cave is super hot (up to 135 degrees), so anyone who explores it needs to wear a special suit and stay in for no longer than 45 minutes. Show your students this brief slideshow of its amazingly huge crystals. 

Related Content

Your students won’t want to miss this video of the Ohio Caverns shown in our story! We recommend watching from 0:33-1:44 to get a sense of what the cave looks like up close. 

The Longest Cave

Take your students inside the world’s longest cave in New Zealand in this National Geographic clip. They’ll see firsthand how narrow, how low, and how cool it is!

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