Ryan Deboodt takes you on a journey through Hang Son Doong, the largest known cave on the planet.
Hang Son Doong
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Tag Archives: Caves
Inside The Thurston Lava Tube
Yesterday, the shot was of the entrance to the lava tube. Here’s what it looks from the inside.
Weird Places: Mexico’s Giant Crystal Cave
SciShow explains one of the lesser-known interesting natural places south of the border.
Weekly Photo Challenge: Cover Art, Or: Lava Tube Skylight
There’s an ancient lava tube in the outskirts of Hana, Hawaii. You need a flashlight to get through most of it, but there are a few, gorgeous points at which the sun manages to pierce the depths. For some reason, this photo makes me think of the cover of a nature magazine, or an album of soothing nature sounds.
Beneath Hana
As you reach the outskirts of Hana, you might notice a sign pointing toward the Hana Lava Tube. To get into the cavern, you have to climb down a curved set of stairs built into a hill. It’s teeming with vegetation and moisture; you’d never think something so beautiful and lush was hiding right under your feet! It reminded me of the Metroid series, for some reason…
Weekly Photo Challenge: Room, Or: In The Hana Lava Tube
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Because nothing says room quite like a 1,000 year-old quarter-mile underground tube made from lava. This is just one part of a short, but sweet tour. Just as a frame of reference, the tip of that rocky outcropping at the bottom is nearly 5 feet tall.
Polymathically 
