The hydrothermal explosion that rocked Yellowstone National Park's Biscuit Basin tossed rock blocks weighing hundreds of pounds short distances, sent steam and debris hundreds of feet into the air, and changed the personality of two hot springs, according to Yellowstone Volcano Observatory scientists.

A hydrothermal explosion rocked Tuesday morning rocked Biscuit Basin in Yellowstone National Park, sending a towering eruption of hot water, rocks, and other debris into the sky and sending visitors running.

The ongoing restoration of the Cape Hatteras Lighthouse relies on science, history, art, and patience.

Petrified Forest National Park in Arizona is chock full of geology, color, and history. So here are a few fun facts about this national park about which you might or might not know.