Yellowstone National Park is known for its stunning beauty. From its famous geothermal features, including the well-known Old Faithful Geyser, to its geological wonders, it's no wonder that Yellowstone attracts millions of visitors every year. However, there is one national park tucked away in Northern California that can rival the beauty of Yellowstone, and thanks to its scenic highway, it's incredibly easy to visit.
Lassen Volcanic National Park, the "Iceland of America," is the most underrated natural wonder in the U.S. Steaming fumaroles bubble just beneath the wildflower-strewn alpine meadows. Bubbling mud pots and steaming vents proudly gather along the boardwalk trails. Clear mountain lakes mirror the snow-capped peaks, and the jagged volcanic craters tell stories of Earth's unsu