Karli Ritter explores Iceland’s mightiest lava cave

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ICELAND -- Beneath the gorgeous, green, rolling hills and cascading waterfalls of Iceland are countless meandering lava caves.

The volcanic island nation is (literally) a hotbed of geothermic activity, with hot springs and vast fields of lava rock a mainstay of Icelandic scenery.

Karli Ritter toured Víðgelmir, the country's largest lava cave, and FOX4 cameras were rolling to bring you along for the trip!

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