V.C. Wald: Active thermal field, Gibbon River
V.C. Wald: Gibbon River, Yellowstone National Park
V.C. Wald: Thermal basin along the Gibbon River
V.C. Wald: View across the canyon from Golden Gate
V.C. Wald: Glen Creek and a flank of Bunsen Peak
V.C. Wald: Golden Gate looking golden
V.C. Wald: Golden Gate, Yellowstone Grand Loop Road
V.C. Wald: Golden Gate rock wall detail
V.C. Wald: Rock wall known as "Golden Gate"
V.C. Wald: New and very active hot spot high above the terraces, Mammoth Hot Springs
V.C. Wald: New terraces are born at the base of the formation
V.C. Wald: Terrace boardwalk, Mt. Everts beyond
V.C. Wald: Geothermally active area, Mammoth Hot Springs
V.C. Wald: Active hot springs, Mt. Everts in the background
V.C. Wald: Mammoth Hot Springs, active thermal area
V.C. Wald: Mammoth terraces
V.C. Wald: Mammoth upper terraces
V.C. Wald: Mammoth terraces
V.C. Wald: Gardner River Bridge, aka the High Bridge
V.C. Wald: Mammoth Hot Springs Hotel (right), Grill and Restaurant (center), and Yellowstone General Store (far left)
V.C. Wald: Moss in the woods
V.C. Wald: Thermal feature along the bank of the Gibbon
V.C. Wald: Hot rocks, Gibbon River
V.C. Wald: Active thermals, Gibbon River
V.C. Wald: Orange Mound Spring