18 Things You Didn't Know About Yellowstone National Park
America’s oldest national park still has its fair share of surprising facts. It’s the sort of destination that doesn’t just feel wild itiswild. Here are 18 surprising facts about the wondrousYellowstone National Park. Credit: Abhishek Kumar/500px/Getty Images The park is so big that it sprawls into three U.S. states. The park is also larger than Rhode Island and Delaware combined. Yellowstone became a national park almost 20 years before Wyoming, Idaho, and Montana became official U....