No matter where in the world you call home, chances are you've heard of Yellowstone National Park . This 3500-square-mile park is usually regarded as the first national park in the world, having been designated as one in 1872. It's known for its dramatic canyons and geothermal activity, along with its wildlife like bears, wolves, and bison. Located mostly in the state of Wyoming (but with little bits also in Montana and Idaho), Yellowstone is one of the most-visited national parks in the U.S., too – which is why it was such an oversight of mine for so long! But I finally made it to Yellowstone in 2017. Ideally, you would have 3-5 days to truly explore and appreciate Yellowstone – especially if you're visiting in the busy summer months where getting from A to B and finding parking can sometimes take a little extra time. BUT, if like my sister Melissa and I you only have 3 nights and 2 full days to dedicate to Yellowstone, here's how I would s...