Nestled in the Cascades of Northern California lies an underrated gem that offers a powerful reminder that some of the world’s most alien terrain exists right here in America. From hiking to a boiling lake to camping under volcanic starscapes or standing beside a hissing vent, this stunning park is reminiscent of Iceland and is an adventure waiting to erupt.

Lassen Volcanic National Park is unlike anywhere else in the United States—and it may just be the closest you’ll get to Iceland without a passport. Picture steaming fumaroles, bubbling mud pots, vibrant sulfur vents, and a landscape molded by ancient lava flows—all with a fraction of the crowds you’d find in Iceland or Yellowstone. Here's your guide to visiting Lassen Volcanic National Park in Northern California .

The “Iceland of

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