I've been to all 50 states. Here are 8 of the most unique places I've visited in the US.

After traveling to all 50 US states and every national park, I've come across some truly unique locations. Emily Hart I've traveled solo to all 50 states and nearly every US national park. Throughout my travels, I've come across many unique natural and human-made locations. A few of the unique places I've been to are Yellowstone National Park and Biosphere 2 in Arizona. 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...