USA TODAY rounded up answers to the most popular park questions to help travelers better understand these national treasures ...

First Star initially acquired a 50% working interest in five wells to be drilled in the Mosser Dome and Blue Ridge fields, located in Yellowstone ... a faulted half-dome. The closing fault is ...

Yellowstone is home to over 10,000 hydrothermal ... Towering monoliths like El Capitan and Half Dome are not just sights to behold but also meccas for rock climbers worldwide.