Yosemite National Park harbors a grand collection of waterfalls, meadows, and forests that include groves of giant sequoias, the world's largest living things.
Zion has become quickly a popular park for national park explorers. Zion is a wilderness preserved, full of the unexpected. It includes what might be the world's largest arch - Kolob Arch, spanning 310 feet. It also boasts some more simpler natural wonders such as; small waterfalls and clear backcountry pools.
Geothermal wonders, such as Old Faithful, are evidence of one of the world's largest active volcanoes. After exploration Congress decided that the area known as Yellowstone needed to be protected and preserved.
Bryce is famous for its worldly unique geology, consisting of a series of horseshoe-shaped amphitheaters carved from the eastern edge of the Paunsaugunt Plateau in southern Utah. The erosional force of frost-wedging and the dissolving power of rainwater has shaped the colorful limestone rock of the Claron Formation into bizarre shapes including slot canyons, windows, fins, and spires called hoodoos.