| Yellowstone National Park serves not only as one of the most popular national parks, but also as the oldest national park in the world; famous for its unique natural phenomena such as its geysers and hot springs as well as for its variety of wildlife. |
Carlsbad Caverns National Park was created to preserve Carlsbad Cavern as well as many other fascinating caves that are tucked in the Guadalupe Mountains of southeastern New Mexico. |
Glacier National Park: Natural splendour at its best; wild life loafing around as if they owned it all, which they do; and peace and quiet as it was truly expected to mean when they were coined. |