Part 1 - Geysers and other geological oddities
Norris Geyser Basin . . .
Emerald Spring
Porcelain Basin
Mammoth Hot Springs . . .
Dryad Terrace
Another view of Dryad Terrace
Palette Spring
Fountain Paint Pots . . .
Close-up of a fumerole
Spasm Geyser (video - click the triangular Play Button.)
Firehole Lake Drive . . .
Surprise Pool
Biscuit Basin . . .
Black Opal Spring
Midway Geyser Basin . . .
Grand Prismatic Spring is an iconic symbol of Yellowstone;
it appears in bright colors on the covers of Yellowstone guidebooks.
But this is how it looked to us when we visited - enshrouded in steam.
We got a slightly better view by hiking uphill on the Fairy Falls Trail.
(Compare the beautiful Morning Glory Pool, below.)
West Thumb Geyser Basin . . .
Close-up of an edge of Black Pool
Old Faithful Upper Geyser Basin . . .
Firehole River
Giant Geyser
Castle Geyser erupting
Shield Spring
Chromatic Pool
Morning Glory Pool
Old Faithful . . .
Geothermal monitoring crew at Old Faithful
Old Faithful erupting on September 29, as seen from second floor balcony of the Old Faithful Inn
Old Faithful erupting on October 1
Old Faithful erupting on October 1 (video - click the triangular Play Button.)