Geothermal heat is melting the asphalt on Firehole Lake Drive, a popular road in Yellowstone National Park, forcing officials to close it down Thursday. (Photo: National Park Service)
Geothermal heat is melting the asphalt on Firehole Lake Drive, a popular road in Yellowstone National Park, forcing officials to close it down Thursday. Part of the drive, a scenic one-way road off of Yellowstone's main loop, was shut down for repairs when oil bubbled to the surface, damaging the blacktop and creating unsafe driving conditions, the Park Service said in a statement. The closure doesn't affect the Grand Loop Road, which sees 20,000 visitors each day during the summer.
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