After traveling to all 50 US states and every national park, I've come across some truly unique locations.

Emily Hart

After traveling solo to all 50 states and every US national park, it's rare that I find a place that still surprises me or feels genuinely unique. But when I do, I never forget it.Although uniqueness is somewhat subjective, here are eight places I've found to be unforgettable and one of a kind.

Yellowstone National Park is filled with natural wonders.

Yellowstone's Grand Prismatic Spring is something travelers must see to believe.