Natural History Photographs

After the eruption of Old Faithful, our final trip for today was to Black Sand Basin, in the near vicinity of Old Faithful. Here one finds a smörgåsbord of geothermic phenomena in a localized area. This made for a nice conclusion of the day...

Cliff geyser and Iron creek

Jagged spring & Ragged spring

Runoff waters with extremophile bacteria

Sunset lake

Sunset lake & Cyanobacteria

Emerald pool

Opalescent pool

Spouter geyser