Death Valley National Park was established as a natural monument in 1933. Although its name could be more inviting, its beauty is undeniably unique.
Florida's colorful swamp is created when decomposing plant oils enter the pooled water of its wetlands.
Moonbows, rare than rainbow but just as lovely, can appear when the moon is full and low in the sky, often an hour before dawn or after sunset.
To this day, there is no agreement among the scientific community about why 2% of people hear a low-frequency hum in the small town of Taos, New Mexico.
Geysers, hot springs, fumaroles, and mud pots result from the interaction between underground volcanic activity and groundwater.
Every summer night for almost a century, burning hot embers were poured from Glacier Point in Yosemite National Park down the cliff to the valley below.