Heart Lake Geyser Basin Middle Group photo 11 個月 0 Icicles near Mound Terrace (1) photo 11 個月 0 Heart Lake Geyser Basin Rustic Group photo 11 個月 0 Bacterial mat at Grand Prismatic photo 11 個月 0 Visitors enjoy views of Palette Spring photo 11 個月 0 Canary Spring in fall (1) photo 11 個月 0 Rime ice on a tree near Mound Terrace photo 11 個月 0 Hot Springs Long Term Visitors Area photo 11 個月 0 Low water levels at Abyss Pool photo 11 個月 0 Dixie Valley toad tadpoles. photo 11 個月 0 Rime ice at Mammoth Hot Springs Terraces photo 11 個月 0 Cupid Spring in the snow (2) photo 11 個月 0 Dixie Valley toad in its wetland habitat. photo 11 個月 0 New feature on Geyser Hill photo 11 個月 0 Remote nodal seismometer deployed on Geyser Hill photo 11 個月 0 A Dixie Valley toad egg mass. photo 11 個月 0 Dixie Valley toad tadpoles. photo 11 個月 0 Palette Spring winter sunrise photo 11 個月 0 Canary Spring as seen from Custer Gallatin National Forest photo 11 個月 0 Morning light at Morning Glory Pool photo 11 個月 0 Pallete Spring under a coat of fresh snow (3) photo 11 個月 0 Visitors explore the boardwalk near Mound Terrace in Mammoth Hot Springs (1) photo 11 個月 0 Visitors take photos of Palette Spring (1) photo 11 個月 0 Grand Prismatic Spring from the boardwalk photo 11 個月 0 Hat in Grand Prismatic photo 11 個月 0 Dixie Valley toad habitat. photo 11 個月 0 Palette Spring in the snow photo 11 個月 0 Ear Spring activity post-eruption (2) photo 11 個月 0 A steamy morning at Mound Terrace photo 11 個月 0 New Blue Spring on a cold winter day photo 11 個月 0 Hot Springs Long Term Visitors Area photo 11 個月 0 First light on Old Faithful and Old Faithful Inn photo 11 個月 0 'A Place to Get-Away from It All' photo 11 個月 0 Hikers near Heart Lake Geyser Basin Middle Group photo 11 個月 0 Columbia Spring and Mt. Sheridan photo 11 個月 0 Sunrise over Firehole River photo 11 個月 0 Hot Springs Long Term Visitors Area photo 11 個月 0 Dixie Valley toads breeding. photo 11 個月 0 Hot Springs Long Term Visitors Area photo 11 個月 0 Remote temperature sensor near new feature photo 11 個月 0